A car’s brakes decelerate it at a rate of -2.20 m/s2. If the car is originally travelling at 17 m/s and comes to a stop, then how far, in meters, will the car travel during that time?

Answers

Answer 1

Answer:

x = 65.68 [m]

Explanation:

To solve this problem we must use the following equation of kinematics.

[tex]v_{f}^{2}=v_{o}^{2}-2*a*x[/tex]

where:

Vf = final velocity = 0 (comes to stop)

Vo = initial velocity = 17 [m/s]

a = desaceleration = -2.2 [m/s²]

x = displacement [m]

Now replacing, we have:

[tex](0)^{2}=(17)^{2}-2*(2.2)*x\\4.4*x = 289\\x = 65.68 [m][/tex]

Answer 2
A :-) for this question , we should apply
2as = v^2 - u ^2
Given - u = 17 m/s
v = 0 m/s
a = -2.20 m/s^2
Solution -
2as = v^2 - u^2
2 x -2.20 x s = 0^2 - 17^2
s = 0^2 - 17^2 by 2 x -2.20
s = -( 17 x 17 ) by 2 x -2.20
( Cut minus ( - ) and ( - ) )
s = 17 x 17 by 2 x 2.20
s = 289 by 4.4
s = 65.6

.:. The car travelled 65.6 meters.

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6. Which formula could you use according to the scenario? Five grams of substance occupy 3 cm3 of a flask. Om = du OD Ot= d​

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Om = du OD Ot= d​?

Explanation:

I need a little help with this

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Answer:

truck 1 has the most velocity

Explanation:

Because it weights less which means it faster and yea

Our atmosphere exerts a pressure of 14.7 lb/in2. What is the force on one square foot of the earth’s surface caused by the atmosphere

Answers

Answer:

The force on one square foot of the earth’s surface caused by the atmosphere is 101.4 kN.

Explanation:

To force is given by:

[tex]F = P*A[/tex]   (1)

Where:

P: is the pressure = 14.7 lb/in²

A: is the area = 1 m²

By entering the above values into equation (1) we have:

[tex]F = P*A = 14.7 \frac{lb}{in^{2}}*\frac{4.45 N}{1 lb}*\frac{1550 in^{2}}{1 m^{2}}*1 m^{2} = 101.4 kN [/tex]                  

Therefore, the force on one square foot of the earth’s surface caused by the atmosphere is 101.4 kN.

I hope it helps you!

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Answers

Answer:

3 chocolate

explanation

Answer:9 and 6

Explanation:

who is the prime minister of bangladesh ???

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Answer:

Sheikh Hasina is the prime minister of Bangladesh.

Answer:

her name is Sheikh Hasina

is -3 a solution to equation 3x -5 = 4+ 2x

Answers

Answer:

No!

Explanation:

The correct answer is x = 9.

What causes volcanoes to form in the middle of plates?

Science, 7th

Answers

Answer:

As a plate sinks deep into a subduction zone, it heats and begins to melt, forming magma. If the magma reaches the surface it can build tall volcanic mountains.

Explanation:

Answer:  " Most volcanoes form along plate boundaries. Volcanoes are common along tectonic plate boundaries where oceanic plates sink beneath other plates. As a plate sinks deep into a subduction zone, it heats and begins to melt, forming magma. If the magma reaches the surface it can build tall volcanic mountains. "

Explanation:

A 615.00 kg race car is uniformly traveling around a circular race track. It takes the race car 20.00 seconds to do one lap around the 80.00 m radius circular track. What is the frequency of the race car's circular motion?

Answers

Answer:

The value is  [tex]f = 0.05 \ Hz[/tex]

Explanation:

From the question we are told that

     The mass of the car is  [tex]m = 615 \ kg[/tex]

      The period of the circular motion is  [tex]T = 20 \ s[/tex]

      The radius  is [tex]r = 80 \ m/s[/tex]

Generally the frequency of the circular motion is  

       [tex]f = \frac{1}{T }[/tex]

=>    [tex]f = \frac{1}{ 20 }[/tex]

=>    [tex]f = 0.05 \ Hz[/tex]

A football is kicked with a speed of 18 m/s at an angle of 65° to the horizontal. How far does the football travel horizontally before it hits the ground?

Answers

The horizontal distance traveled by the football is determined as 25.33 m.

Horizontal distance traveled by the football

The horizontal distance traveled by the football is calculated as follows;

X = u²sin(2θ)/g

where;

u is the initial speedg is acceleration due to gravity

X = (18² x sin(2 x 65))/9.8

X = 25.33 m

Thus, the horizontal distance traveled by the football is determined as 25.33 m.

Learn more about horizontal distance here: https://brainly.com/question/24784992

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Calculate the gravitational potential energy of a 2 kg banana hanging 5
meters above the ground.
(Use 10 m/s2 for gravity)

Answers

Answer:

  100 J

Explanation:

The potential energy is given by the formula ...

  PE = mgh

  = (2 kg)(10 m/s^2)(5 m) = 100 J

Calculate the force applied (in newtons) if a pressure of 2000Pa is acting on an area of 3m2.

Answers

P=F/A

Force= P * A = (2000 x 3) N = 6000N

2.
Mass of car = 200 kg and g = 10 m/s? or 10 N/kg (approx. value)
position of car
GPE (J) = mgh KE (J) =
GPE + KE
0.5mv2
(height)
60.000
top (30 m) before
ride starts so v=0
Halfway (15 m)
30,000
34 way down (7.5
4,000
m)
bottom(0 m)
0
3.

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That’s a lot of work

1) A person riding their bike on a nice cloudy day travels 50 meters in 20 seconds.
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Answers

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2. What is the pH of ammonia?

Answers

Answer:

Le pH de l’ammoniac est de 11.6

Explanation:

11.6

Ammonia is moderately basic; a 1.0 M aqueous solution has a pH of 11.6, and if a strong acid is added to such a solution until the solution is neutral (pH = 7), 99.4% of the ammonia molecules are protonated.


Help!! Or I get an F!!!
What planet could you jump the highest?

Answers

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Explanation:

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Answer:

Jupiter

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Answers

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Answer:

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One group approached their investigation by dropping a mass so it
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mass as it descended using a motion detector. They checked whether
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acceleration) of the mass, the students can only measure
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in this system, which of the following assumptions must be true (or
approximately true)?

Air Resistance is negligible

The initial vertical velocity of the mass is negligible.

Answers

Answer:

  Air Resistance is negligible

Explanation:

If they hope to see that energy is conserved, then energy must not be gained or lost during the experiment. That is, loss due to air resistance must be negligible.

Answer:

air resistance negligible=true

Explanation:

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when you break a vector into its parts, those parts are called its components. For example, in the vector (4, 1), the x-axis (horizontal) component is 4, and the y-axis (vertical) component is 1.

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Answers

Answer:

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Explanation:

Hope this helps!! Please consider marking brainliest! Have a good one!!

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Being Normal mean Submitting to the Conformed society that Barry B Benson wanted to rebel Against so that he didn't have to work the Same Job Everyday to which his father accepted himself into. once Barry had surpassed the Bee Law after speaking with Vanessa they got onto the plane to save all of the Flowers on earth and Save Mankind/Beekind, Barry gets accepted as a Pollen Jock. thus Reaching the end of the movie

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What are the names of all of the valves in the
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Answers

tricuspid valve: located between the right atrium and the right ventricle.
pulmonary valve: located between the right ventricle and the pulmonary artery.
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