Suppose an astronaut has landed on Planet * Fully equipped, the astronaut has a
mass of 120 kg and when the astronaut gets on a scale, the reading is 46 N. what is
the acceleration due to gravity on Planet X. (Answer to 2 decimal places) you

Answers

Answer 1

From the calculations, the value of the acceleration due to gravity is 0.38 m/s^2.

What is weight?

The weight of an object is obtained as the product of the mass of the body and the acceleration due to gravity.

Thus;

When;

mass = 120 kg

weight =  46 N

acceleration due to gravity = 46 N/120 kg

=0.38 m/s^2

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Related Questions

Ray creates an energy transfer diagram for a hair dryer. However, the diagram contains an error that could be corrected in several different ways.

Answers

If the energy transfer diagram created by Ray has error in it, it can be corrected by applying the principle of energy conservation.

What is energy diagram?

Energy diagram is sketch of the energy flow process or energy transfer or energy conversion process.

The law of energy conservation states that, energy can neither be created nor destroyed but can be converted from one form to another.

Thus, if the energy transfer diagram created by Ray has error in it, it can be corrected by applying the principle of energy conservation.

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Discuss how radio waves work.

Answers

Answer:Radio works by transmitting and receiving electromagnetic waves. The radio signal is an electronic current moving back and forth very quickly. A transmitter radiates this field outward via an antenna; a receiver then picks up the field and translates it to the sounds heard through the radio.In AM (Amplitude Modulation) radio, the strength (amplitude) of the signal is changed (modulated) to make the sounds. In FM (Frequency Modulation) radio, it is the speed (frequency) of the signal that is changed. When you tune in your radio, the dial number indicates the kilo or megaHertz at which the signal is being broadcast.

Radio signal uses specific frequency, or how quickly the waves of the field move up and down. Hertz is a measurement of the number of wave cycles per second - AM is expressed in kiloHertz, while FM radio is expressed in megaHertz. The station power affects the range of the signal, or how far it can travel. The strongest AM power allowed in the United States is 50,000 watts.

Explanation:

Answer:

It works trough transmitted and received electromagnetic waves

Explanation:

Radio works by transmitting and receiving electromagnetic waves. The radio signal is an electronic current moving back and forth very quickly. A transmitter radiates this field outward via an antenna; a receiver then picks up the field and translates it to the sounds heard through the radio. Radio works by transmitting and receiving electromagnetic waves. The radio signal is an electronic current moving back and forth very quickly. A transmitter radiates this field outward via an antenna; a receiver then picks up the field and translates it to the sounds heard through the radio.

How does a real image differ from a virtual image?

Answers:
A real image is always upright and never inverted.


A real image is formed by extending the rays back to where they appear to come from.


A virtual image is always smaller than the object.


Light rays actually pass through a real image.

Answers

Answer:

Real images are obtained using a converging lens or a concave mirror. The size of the real image depends upon the placement of the object. A virtual image is an upright image that is achieved where the rays seem to diverge. A virtual image is produced with the help of a diverging lens or a convex mirror.

Answer:

Light rays actually pass through a real image.

Explanation:

Option C is somehow correct but the hurdle is that it's only for convex mirror

The concave mirror always produce a virtual image larger than object

So option D is correct

30 POINTS!!! how long must a 50 N force act on a 400 kg mass to raise its speed from 10 m/s to 12 m/s

Answers

Answer:

16 seconds

Explanation:

we want to find the acceleration first:

F = ma

50/400 = a

a = 0.125 m/s²

laws of motion formula:

vf = vi + at

12 = 10 + 0.125t

t = 16 seconds

hope this helps :)

5. To push a box up an inclined plane, is the force required smaller if you push horizontally
or if you push parallel to the incline? Why?

Answers

To push a box up an inclined plane, the force required is smaller if you push parallel to the incline.

What is an Inclined plane?

This is also referred to as a ramp and is a flat surface which is tilted at an angle.

Pushing parallel to the plane doesn't generate friction which means a smaller amount of force will be required.

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. An electric field E = 100,000i N/C causes the 5.0 g point charge to hang at a 20°
angle. What is the charge on the ball?

Answers

The charge on the ball developed will be  1.78 x 10⁻⁷ Coulomb.

What is electric field?

The field developed when a charge is moved. In this field, a charge experiences an electrostatic force of attraction or repulsion depending on the nature of charge,

Given is an electric field E = 100,000i N/C causes the 5.0 g point charge to hang at a 20° angle.

If T is the tension and θ is the angle, then

The force in  x direction Fx = T sinθ

Force in y direction Fy = T cosθ = mg

Dividing both the equation, we have

tan θ = qE /mg

Substitute the given values in the question, we have

q = 5 x10⁻³ x 9.81 x tan 20 /100000

q = 1.78 x 10⁻⁷ Coulomb.

Thus, the charge of ball is  1.78 x 10⁻⁷ Coulomb.

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Is the following chemical reaction balanced?
2H₂O2H₂O + 0₂

yes
no

Answers

yes it is a chemical reaction

Find the steady-state charge qp(t), and the steady-state current ip(t),in an LRC-series circuit when
L = 1 h,
R = 4 Ω,
C = 0.1 f, and
E(t) = 30 cos(t) V.

Answers

(a) The value of the steady state charge in the circuit is 3 C.

(b) The steady-state current ,in an LRC-series circuit is 5.3 A.

Steady state charge

The value of the steady state charge in the circuit is calculated as follows;

Q = CV(max)

Q = 0.1 x 30

Q = 3 C

Steady state current in circuit

I = V/R

Vrms = 0.7071 x V(max)

Vrms = 0.7071 x 30

Vrms = 21.21 V

I = Vrms/R

I = 21.21/4

I = 5.3 A

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In a study by Cornell University, the most cited rationale for initiating fatal restraints and seclusion was that the child

Answers

The most cited reason for the use of restraints on children that had the potential for fatality is: the prevention of of volatile or disturbing behavior that had the potential to cause injury.

What is the above research about?

The above research speaks to the use of restraints on children and seeks to highlight the fact that restraining children no matter the cause had, and continues to lead to the death of children numbered in their dozens.


The solution to this phenomena was that the sate of New York operates a service that caters to family and children and that over a space of five years, they were properly funded to train people on how to handle children.

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aluminium,metal,glass,and paper:

Answers

Aluminum metal is a good example of conductor of electricity while glass and paper are good example of insulators.

What is a conductor?

A conductor is material that allows easy passage of electric current through the.

Examples of conductors

All metals are good examples conductors. such as aluminum, iron, silver, etc.

What is a non conductor?

A  non conductor or insulator is a material which does not allow easy passage of electric current through them.

Examples of insulatorsglasspaperwood, etc

Thus, aluminum metal is a good example of conductor of electricity while glass and paper are good example of insulators.

The complete question is below:

aluminium,metal,glass,and paper, are examples of what?

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what happens to the reading on Ammeter A1 , when more resistors are connected in series?​

Answers

Answer:

As the number of bulbs in series increases, both the ammeter reading and bulb brightness should decrease. Using standard ammeters may not give perfect results and if the bulbs are allowed to heat up too much in between adding more bulbs, their resistance will be higher.

Explanation:

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______ interference occurs when two waves are out of phase.

Answers

Answer:

What interference occurs when two waves are out of phase?

Image result for ______ interference occurs when two waves are out of phase.

Destructive interference

Destructive interference occurs when the maxima of two waves are 180 degrees out of phase: a positive displacement of one wave is canceled exactly by a negative displacement of the other wave. The amplitude of the resulting wave is zero.

What does the pair of shoes weigh on earth

Answers

Answer:

Explanation:

the average weight for a pair of men's dress shoes is around 2 pounds.

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Tom is sitting facing forward in the train as it is getting ready to leave the station. He puts a smooth ball on the train floor. The train jolts into motion, accelerating rapidly up to speed. According to Newton's first law of motion, what happens to the ball? (1 point)

A) Nothing changes.
B) The ball rolls forward slowly.
C) The ball rolls forward rapidly.
D) The ball rolls backward.

Answers

According to Newton's first law of motion, what happens to the ball is  the ball rolls backward.

What is the first law?

This means that an object at rest or in motion will remain uniformly rectilinear and tend to be in that state if the net force on it is zero.

In this case, we have to think that the ball is at rest and the train is moving with a velocity that way, the reaction of the ball will be to go in the opposite direction to the motion.

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Car A is traveling with a constant velocity of 18 [m/s]. Car B speeds up from 0 [m/s] to 10 [m/s] in 4 seconds. Which car has a greater acceleration?

Answers

The car A and car B are travelling at different speeds. The car that has a greater acceleration is car B.

What is acceleration?

Acceleration is defined as the rate change of velocity with time.

acceleration a = (Δv) / (Δt)

Car A is traveling with a constant velocity of 18 [m/s]. The initial and final velocity is same. So, the acceleration is given by

a = (18 -18)/ t

a = 0 m/s²

Car B speeds up from 0 [m/s] to 10 [m/s] in 4 seconds. The acceleration is

a = (10 -0)/ 4

a = 2.5 m/s²

Thus, the car B has greater acceleration.

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2 kq kg of ice at -4 degress Celsius is heated at Water at room temperature of 25 degrees Celsius .how much heat is absorbed ​

Answers

Answer:

893.8 [kJ].

Explanation:

1) the total heat can be calculated as

E=Q₁+Q₂+Q₃, where Q₁ - energy to heat the ice from -4 to 0; Q₂ - energy to melt the ice; Q₃ - to heat the water at 0 °C to 25 °C;

2) Q₁=λ*m*Δt₁, ⇒ Q₁=2100*2*4=16800 [J];

3) Q₂=c₂*m; ⇒ Q₂=333500*2=667000 [J];

3) Q₃=c₃*m*Δt₂; ⇒ Q₃=4200*2*25=210000 [j];

4) finally, the required heat is

E=16800+667000+210000=893800 [J]=893.8 [kJ].


The apparatus consists of a hollow metal tube through which first tap water and then steam is passed. The
change in length, A/= 1₂-11, is measured by means of an optical lever, and the temperature at equilibrium
in each case read off the thermometer inserted into the tube.
- The length when cold is measured with a metre stick. Explain why this is accurate enough

Answers

The apparatus consists of a hollow metal tube through which first tap water and then steam is passed. This process is accurate because it gives a result close to the required value. This is further explained below.

What is an accurate experiment?

Generally, An experiment's accuracy is simply defined as the degree to which the final result is within the bounds of what is considered to be the accurate or approved value. As the distance decreases, so does the precision of the experiment.

In conclusion, Metal tubing, first filled with tap water, and subsequently steam, is used to create the device's steam. This method is accurate since it returns a value that is near to what is needed.

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Plot a graph showing the variation of stopping potential with the frequency of incident radiation for two different photosensitive materials having work Functions [tex]{\omega{1}}[/tex] and [tex]{\omega{2}}[/tex] [tex]{(\omega{1}>\omega{2})}[/tex]. On what factors does the (i) Slope and (ii) intercept of the lines depends?​

Answers

We know By Einstein's Photoelectric Equation:

[tex]{:\implies \quad \sf h\nu =h\nu_{0}+\dfrac{1}{2}m{v^{2}}_{max}}[/tex]

[tex]{:\implies \quad \sf h\nu =h\nu_{0}+eV_{0}}[/tex]

[tex]{:\implies \quad \sf eV_{0}=h\nu -h\nu_{0}}[/tex]

[tex]{:\implies \quad \sf V_{0}=\dfrac{h\nu}{e}-\dfrac{h\nu_{0}}{e}}[/tex]

Since [tex]{\nu}[/tex] is plotted along X-axis and [tex]{V_0}[/tex] along Y-axis, it represents a straight line

(i) The slope of [tex]{V_{0}}[/tex] versus [tex]{\nu}[/tex] graph= (h/e) i.e it is a constant quantity and does not depend on the nature of the metal surface

(ii) The intercept on the [tex]{\nu}[/tex]-axis = [tex]{(h\nu_{0}/e)}[/tex] i.e it depends on the work function of the metal surface

Refer to the attachment for the graph

3. Harris is putting in a three-phase Y-Y-
connected transformer bank and the
secondary line-to-line voltage is 208 V.
What's the line-to-neutral voltage?
O A. 120 V
O B. 359 V
C. 69 V
O D. 240 V

Answers

120V is the line-to-neutral voltage .

What is Line Voltage ?

It is defined as the voltage of a power transmission circuit or distribution circuit up to the point of transformation or utilization.

The secondary line voltage is [tex]V_{L} = 280 V[/tex]

The notation AC indicates that the current is an alternating current.

The given formula is [tex]V_{ph} = \frac{V_{L} }{\sqrt{3} }[/tex]

Substitute  208 V into the formula

[tex]V_{ph} = \frac{V_{L} }{\sqrt{3} } \\\\V_{ph} = \frac{208V}{\sqrt{3} } \\\\= 120 (Approx)[/tex]

So, the line-to-neutral voltage is 120 V.

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An elevator is moving upward with a speed of 9.2 m/s. 3.8 seconds later, the elevator is still moving upward, but its speed has increased to 15.8 m/s. What is the average acceleration, in m/s2, of the elevator during the 3.8-s interval? Please round your answer to one decimal place.

Answers

From the calculations, the acceleration of the elevator is obtained as 1.5m/s^2

What is acceleration?

The term acceleration has to do with the rate of change of velocity with time.

Given that;

u =  9.2 m/s

v = 15.8 m/s

t = 3.8

a = ?

The v = u + at

a = v - u/t

a = 15 - 9.2/3.8

a = 1.5m/s^2

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The groove wound around a screw is called a

Answers

Answer:

Thread

Explanation:

I made a powerpoint all about tools and things to use in woodwork.

How can you say that m3 is called derived unit​

Answers

Answer:

m³ is a derived unit because it is a product of three basic units. ( meters*meters*meters)

3. A horizontally moving tennis ball barely clears the net, a distance y above the surface of the court. To land within the tennis court the ball must not be moving too fast.
a. To remain within the court’s border, a horizontal distance d from the bottom of the net, show that the ball’s maximum speed over the net is v = / √ 2
b. Suppose the height of the net is 1.00 m, and the court’s border is 12.0 m from the bottom of the net. Use g = 10 m/s2 and show that the maximum speed of the horizontally moving ball clearing the net is about 27 m/s (about 60 mi/h).
c. Does the mass of the ball make a difference? Defend your answer.

Answers

(a) The ball’s maximum speed over the net is v(max) = √2gh.

(b) The maximum speed of the horizontally moving ball clearing the net is about 27 m/s.

(c) Speed of the ball is independent of its mass.

Time of motion of the ball

The time of motion of the ball is calculated as follows;

h = vt + ¹/₂gt²

1 = 0 + ¹/₂(9.8)t²

1 = 4.9t²

t² = 1/4.9

t² = 0.204

t = 0.452 s

Horizontal speed of the ball

The horizontal speed of the ball is calculated as follows;

X = vt

v = X/t

v = (12 m)/(0.452)

v = 26.6 m/s ≈ 27 m/s  (proved)

Conservation of energy

P.E = K.E

mgh = ¹/₂mv²

gh = ¹/₂v²

2gh = v²

√2gh = v(max)

Speed of the ball is independent of its mass.

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The reason uranium mining is dangerous is that chain reactions occur naturally in uranium ore deposits
O True
O False

Answers

Answer:

False po cguro yung sagot d ko po kac Alam e Kaya I Wil study hard to get the correct answer and I will share to you pero I try to be a good friend of mine and I will be a great help to you and your family and your family and friends with you and your family and friends and family and friends with you and your family and friends and family and friends with you and your family and friends and family and friends with you and your family and friends and family and friends with you and your family and friends and family and friends with you and your family and friends and family and friends with you and your family and friends and family and friends with you and your family and and I hope I hope you you will be will be able to come to the next event in the future and hope to see you see you soon and hope you have a great day and I will see you see you soon and and will see you soon and hope you have a great day and I will see you soon and hope you have a great day and I will see you soon and hope you have a great day and I will see you soon and hope you have a great day and I will see you soon and hope you have a great day and I will see you soon and hope you have a great day and I will see you soon soon and and thank you for your thank you

If a box with a mass of 8.0 kg is sitting on a frictionless surface and experiences an acceleration of 4.0 m/s2 to the right, what is the net force acting on the box? (1 point)

A) 2.0 N
B) 12 N
C) 32 N
D) 45 N

Answers

The net force acting on a box of mass 8.0kg that experiences an acceleration of 4.0m/s² is 32N. Details about net force can be found below.

How to calculate net force?

The net force of a body can be calculated by multiplying the mass of the body by its acceleration as follows:

Force = mass × acceleration

According to this question, a box with a mass of 8.0 kg is sitting on a frictionless surface and experiences an acceleration of 4.0 m/s2 to the right.

Net force = 8kg × 4m/s²

Net force = 32N

Therefore, the net force acting on a box of mass 8.0kg that experiences an acceleration of 4.0m/s² is 32N.

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Answer: 32N

Explanation: Force= Mass*Acceleration

Force=8*4= 32N

WHOEVER ANSWERS FIRST WILL BE MARKED BRAINLIEST!
On the fret board the encircled ? represents which note
A. A flat
B. A sharp
C. C sharp
D. E Flat

Answers

Answer:

B. A sharp

Explanation:

On your vacation, you take a plane from Atlanta to San Francisco (3400 km). The flight takes 4.0 hours. The first ten minutes and the last ten minutes are spent speeding up and slowing down respectively. Therefore, you reach your top speed 10 minutes into the flight. What was your average speed on this flight?

Answers

Answer:  S =  850 km/h = 235.11 m/s

Explanation:

average speed  = total distance : total time elapsed

           distance = 3400 km

           total time = 4 hours

average speed = D : T =  3400 km : 4 h = 850 km/h

[ 850 km /h = 850 000 m : 3600 s = 236.11 m/s ]

A object moving at 20m/s slows uniformly at the rate of 30m/s² each second for a time of 4second determine A.its final velocity? B.its average velocity during the 4second? C.the distance moved in 6second​

Answers

Answer:

a its final velocity

Explanation:

2. A generator coil has 25 turns of wire and a cross-sectional area of 36 cm2.
The maximum emf developed in the generator is 2.8 V at 60 Hz. What is
the strength of the magnetic field in which the coil rotates?

Answers

Angular speed

2πf

f is frequency

2(3.14)(60)376.8

Area=36cm²=0.0036m²

Now

[tex]\\ \rm\Rrightarrow emf=nAB\omega[/tex]

[tex]\\ \rm\Rrightarrow 2.8=25\times 36\times 10^{-4}\times 376.8B[/tex]

[tex]\\ \rm\Rrightarrow 2.8=33.84B[/tex]

[tex]\\ \rm\Rrightarrow B=0.0827T[/tex]

[tex]\\ \rm\Rrightarrow 8.3\times 10^{-3}T[/tex]

A sports car can move 100.0 m in the first 3.8 s of constant acceleration. What is the car's acceleration?
m/s²

Answers

Answer:

6.9m/s^2

Explanation:

100m/3.8=26.3m/s^2

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If it is 78F in Memphis and -14F in Juneau, what is the temperature difference between the two cities? Statistical studies in which researchers control variables of interest are:. Abby takes a 75-centimeter by 40-centimeter rectangle of fabric and cuts from one corner ofthe piece of fabric to the diagonally opposite corner. Now Abby has two equally sized triangles of fabric. What is the perimeter of each triangle centimeters HELP ASAP PLSWhich of the following factors most accurately distinguishes reproducibility from repeatability?the entity performing the experimentthe location in which the experiment is performedthe statistical significance required of the experimentthe sample size of the experiment food contains _____; however, some food is a better/richer source than others Find the middle term of the expansion of (x+y)^8. a. 40x2y2 c. 40x4y4 b. 70x2y2 d. 70x4y4 2.5. For his homework Thulani defined a factor as: "Factors of a number are formed when the number is multiplied by 1; 2; 3; 4". You realise that Thulani has a misconception when it comes to factors and multiples. (5) What element traditionally creates blue fireworks?. Which of these is a process during which the hydrosphere interacts with the exosphere? (4 points)Absorption of rainwater by soilAbsorption of heat in lakes and oceansCondensation of water vapor into waterSolidification of water into ice Which famed jazz singer smuggled messages to french soldiers during wwii?. type the correct answer in the box. spell all words correctly. james wants to create a digital portfolio to show case his work and experience. which supporting document should he include to show the purpose, subject, and technical details of the designs Write the ratio 6 mm: 180 cm in the form 1:n A rectangle has an area of 65 cm and a length of13 cm. Find the perimeter of this rectangle. need help as soon as possible A model plane weighs 150 grams, rounded to thenearest ten grams.How much could the plane weigh? Solve for x. Calculate the area Based on the excerpt, what physical and emotional challenges did the Muskogee face on the Trail of Tears? What is the molar solubility in water of ag2cro4 ? (the ksp for ag2cro4 is 8 x 10-12. ) Which of the following is the equation of the quadratic function below?10-1010O A. y = x +9x-18OB. y=x-2x+1C. y=x-9x+18OD. y=x+2x-1-10 Without simplifying, find:a) the 6th term of (2x+5)^15b) the 4th term of (x^2+5/x)^9