can someone please solve this

Answer:

16 miles

Explanation:

112 miles/ 7 hours= 16 miles per hour

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Answer:

106.4V

Explanation:

Voltage = resistance * current

Answer:

q = 0.384 C

Explanation:

The total charge present at the head can be easily found out by multiplying the charge on a single electron with the total number of electrons present on the head:

[tex]q = ne[/tex]

where,

q = total charge on head = ?

n = total no. of electrons on the head = 2.4 x 10¹⁸

e = charge on 1 electron = 1.6 x 10⁻¹⁹ C

Therefore,

[tex]q = (2.4\ x\ 10^{18})(1.6\ x\ 10^{-19}\ C)[/tex]

q = 0.384 C

Answer:

C

Heavy nucleus split during fission and two light nuclei bind together during

fusion.

Answer:

Newton's Third Law of Motion states that for every action, there is an equal and opposite reaction. A rocket engine produces thrust through action and reaction. The engine produces hot exhaust gases which flow out of the back of the engine. In reaction, a thrusting force is produced in the opposite reaction.

Answer:

A This is a nuclear reaction, because the atoms nucleus changed.

Answer:

the speed at which something moves in a particular direction

Explanation:

The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. ... Velocity is a physical vector quantity; both magnitude and direction are needed to define it.

Answer:

14.4

Explanation:

distance / time

so

72/5

14.4

Answer:

Option D. 0.061 J

Explanation:

We'll begin by converting 5 cm to m. This can be obtained as follow:

100 cm = 1 m

Therefore,

5 cm = 5 cm × 1 m / 100 cm

5 cm = 0.05 m

Next, we shall convert 250 g to Kg. This can be obtained as follow:

1000 g = 1 Kg

Therefore,

250 g = 250 × 1 Kg / 1000

250 g = 0.25 Kg

Next, we shall determine the weight of the object. This can be obtained as follow:

Mass (m) = 0.25 Kg

Acceleration due to gravity (g) = 9.8 m/s²

Weight (W) =?

W = m × g

W = 0.25 × 9.8

W = 2.45 N

Next, we shall determine the spring constant. This can be obtained as follow:

Compression (e) = 0.05 m

Weight = Force (F) = 2.45 N

Spring constant (K) =?

F = Ke

2.45 = K × 0.05

Divide both side by 0.05

K = 2.45 / 0.05

K = 49 N/m

Finally, we shall determine the potential energy contained in the compressed spring. This can be obtained as follow:

Compression (e) = 0.05 m

Spring constant (K) = 49 N/m

Energy (E) =?

E = ½Ke²

E = ½ × 49 × (0.05)²

E = 24.5 × 0.0025

E = 0.061 J

Therefore, the potential energy contained in the compressed spring is 0.061 J

Answer:

Find the letter below.

Explanation:

                                                                                1237 Richmond Avenue,

                                                                                Houston, Texas,

                                                                                U.S.A.

                                                                                3rd May, 2021.

The Principal,

Carnegie Vanguard High School,

Houston, Texas,

U.S.A.

Dear Sir,

           APPRECIATION FOR THE ADMISSION OFFER IN YOUR SCHOOL

          I humbly write this letter to express my sincere appreciation for the offer of admission in your highly esteemed institution of learning. The admission letter states that I was admitted to pursue a programme in Computer Science and this is a source of great delight for me. The opportunity is a unique one because I stand a great chance of acquiring deeper knowledge of programming software that will prove invaluable to me in my future career.  

         Over the years, I have been particularly thrilled with all the inventions that have been made possible with information technology and programming of many useful software. These inventions have made life a lot easier, hence my interest in getting the required knowledge that will enable me to contribute my quota to the society.

         This programme will also afford me the opportunity to relate with seasoned professionals in the field of Information Technology. When in contact with these professionals, I hope to ask them several questions on programming, the technicalities involved in it, and what is obtainable in the real-world scenario. Armed with these pieces of information, I believe that the programme will shape me to be an excellent professional that will be useful to the society.

         Once again, thank you for this very special opportunity. I hope to fully maximize the privilege.

Yours Sincerely,

Jessica Liam.

Natural fibers or natural fibres are fibers that are produced by plants, animals, and geological processes. They can be used as a component of composite materials, where the orientation of fibers impacts the properties. Natural fibers can also be matted into sheets to make paper or felt.

Answer:

Solar panels

sun light into electricity

Answer:

13 N

Explanation:

From the question,

(F₁+F₂)-F' = ma................ Equation 1

Where F₁= Jack's force, F₂ = Jill's force, F' = Friction force, m = mass of the object, a = acceleration of the object.

Given: F₂ = 4 N, F' = 2 N, m = 3 kg, a = 5 m/s²

Substitute these values into equation 1 and solve for F₁

(F₁+4)-2 = 3×5

(F₁+4)-2 = 15

F₁+4 = 15+2

F₁+4 = 17

F₁ = 17-4

F₁ = 13 N

Hence the force applied by Jack is 13 N

Answer: tens of thousands of years ago.

Explanation:

The Sun makes energy by nuclear fusion which is a process by which hydrogen atoms are fused to form helium atoms.

It does this in the core and the process releases a lot of energy that takes quite a long time to get to the surface from said core.

Scientists say that the energy takes between 10,000 and 170,000 years for the energy to escape the core to the surface where it is then radiated to Earth as light.

Answer:Newton's 2nd law

Explanation:Newton's 2nd law also states that the rate at which an object changes speed is proportional to the force that is exerted. Engines provide thrust and accelerate a plane forward along the runway. If the engines supply a small force, only a small acceleration will result.

Answer:20 g/cm.

Explanation:

Answer:4g/cm3.

Explanation: The Density of a substance or object  is the mass of the substance per unit  volume of the object.

M is mass, =100g

V is volume = 25cm3

Answer:

And the same can be said of a pendulum vibrating about a fixed position or of a guitar ... along the time axis, it is possible to determine the time for one complete cycle. ... It takes 2.3 seconds to complete the first full cycle of vibration. ... Since the standard metric unit of time is the second, frequency has units of cycles/second.

Explanation:

Plz mark brainliest im only 12. and i have never been marked brainliest.

Answer:

Explanation:

1. [tex]\frac{1}{3}[/tex] x [tex]\frac{6}{7}[/tex] = [tex]\frac{6}{21}[/tex]

          = [tex]\frac{2}{7}[/tex]

b. [tex]\frac{6}{8}[/tex] + [tex]\frac{4}{9}[/tex] = [tex]\frac{24}{72}[/tex]

            = [tex]\frac{1}{3}[/tex]

c. [tex]\frac{10}{15}[/tex] x [tex]\frac{3}{4}[/tex] = [tex]\frac{30}{60}[/tex]

            = [tex]\frac{1}{2}[/tex]

d. [tex]\frac{7}{10}[/tex] of [tex]\frac{5}{10}[/tex] = [tex]\frac{7}{10}[/tex] x [tex]\frac{5}{10}[/tex]

                = [tex]\frac{35}{100}[/tex]

                = [tex]\frac{7}{20}[/tex]

e. [tex]\frac{3}{8}[/tex] of [tex]\frac{4}{6}[/tex] = [tex]\frac{3}{8}[/tex] x [tex]\frac{4}{6}[/tex]

            = [tex]\frac{12}{48}[/tex]

            = [tex]\frac{1}{4}[/tex]

f. [tex]\frac{7}{12}[/tex] of [tex]\frac{9}{14}[/tex] = [tex]\frac{7}{12}[/tex] x [tex]\frac{9}{14}[/tex]

              = [tex]\frac{63}{168}[/tex]

              = [tex]\frac{3}{8}[/tex]

2. [tex]\frac{22}{6}[/tex] x [tex]\frac{3}{11}[/tex] = [tex]\frac{66}{66}[/tex]

              = 1

b. [tex]\frac{15}{6}[/tex] x [tex]\frac{4}{5}[/tex] = [tex]\frac{60}{30}[/tex]

             = 2

c. [tex]\frac{25}{8}[/tex] x [tex]\frac{4}{10}[/tex] = [tex]\frac{100}{80}[/tex]

              = [tex]\frac{5}{4}[/tex]

d. [tex]\frac{33}{12}[/tex] x [tex]\frac{4}{15}[/tex] = [tex]\frac{132}{180}[/tex]

             = [tex]\frac{11}{15}[/tex]

Answer:

D

Explanation:

the 3 products of photosynthesis are glucose (sugar), oxygen and water. D just doesn't include water.

Answer:

It would be C

Explanation:

plants convert carbon dioxide from the air into oxygen.

Answer:

D

Explanation:

Hey you said this one would give 100 points.

Answer:

(B) salaries

Explanation:

correct on edg2020

Answer:

The magnitude and direction of the force between the two charges is 497.66 N in opposite direction.

Explanation:

From the question given above, the following data were obtained:

Charge 1 (q₁) = 1.4×10¯³ C

Charge 2 (q₂) = 9.1×20¯⁴ C

Distance apart (r) = 4.8 m

Force (F) =?

NOTE: Electric constant (K) = 9×10⁹ Nm²/C²

The magnitude of the force between the two charges can be obtained as follow:

F = Kq₁q₂ / r²

F = 9×10⁹ × 1.4×10¯³ × 9.1×20¯⁴ / 4.8²

F = 11466 / 23.04

F = 497.66 N

Thus, the magnitude of the force is 497.66 N.

Since both charges has the same sign (i.e they both positive), the force between them will be a force of repulsion. Hence the force will be in opposite direction.

Answer:

b mate im pretty sure ig :)

Answer:

you are right

Explanation:

Answer:

speed :m/s

velocity:m/s-¹

acceleration:m/s²

force:kgms-²

Explanation:

I hope May be correct

Speed: It is the rate at which object covers or travelled particular distance or rate at which objects changes its position. S.I. unit for speed is metre per second (m/s).

Speed (s) = distance (d) / time (t)

Velocity: Distance covered by a moving object in a particular direction per unit time. S.I. unit of velocity is m s-1 or m/s.

Velocity (v) = Total displacement (d) / time take(t)

Momentum: It is quanity of motion of the object. S.I. Unit is Kg.m.s-1

Momentum (p) = Mass (m) X Velocity (v)

Acceleration: Rate at which an object velocity changes with respect to time. S.I. unit is metres/second2 (m/s2) Acceleration (a) = Change in velocity/ time taken

Force: When an object changes it position or direction due to external agent. S.I. unit of force is (Kg m/s2).

Force (F) = Mass(m) × Acceleration (a)

To learn more about following terms:

https://brainly.ph/question/122934

Answer:

Option C, The 30 m telescope can observe objects 9 times fainter, and with 3 times smaller angular size, than the 10 m telescope.

Explanation:

As we know,

The surface brightness of the object viewed through telescope is proportional to the square of the diameter of the lens

Thus, Brightness ([tex]B_{30}[/tex]) of 30 m telescope would be proportional to [tex]30^2[/tex]

Brightness of 10 m ([tex]B_{10}[/tex]} telescope would be proportional to [tex]10^2[/tex]

Thus, the ration of the two would be

[tex]\frac{B_{30}}{B_{10}} = \frac{30^2}{10^2} \\\frac{B_{30}}{B_{10}} = \frac{9}{1} \\B_{30} = 9 * B_{10}[/tex]

Thus, brightness of 30 m telescope would be able to view 9 times fainter object as compared to the 10 m telescope.

Also , 30 m telescope would be able to view 3 times smaller angular sized object as compared to the 10 m telescope

Hence, option C is correct