Kinematic Equations - What are you trying to find?

Kinematic Equations - GIVENS and FIND

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Multiple Choice

In this problem what are you trying to find?

A 5 kilogram ball is dropped from the top of a building and takes 4 seconds to hit the ground. What is the speed of the ball just before it hits the ground?

• x_i

• x

• v_i

• v

• t

Multiple Choice

In this problem what can you assume?

A 5 kilogram ball is dropped from the top of a building and takes 4 seconds to hit the ground.

• x_i = 10 m

• x = -10 m

• v_i = 10 m

• v = -10 m

• a = -10 m/s²

Multiple Choice

In this problem what are you trying to find?

A 5 kilogram ball is dropped from the top of a building and takes 4 seconds to hit the ground. What is the height of the building the ball is dropped from?

• x_i

• x

• v_i

• v

• t

Multiple Choice

In this problem what are you trying to find?

A car starts from rest and accelerates at 4 m/s² for 6 seconds. How far does it travel while it is speeding up?

• x_i

• x

• v_i

• v

• t

Multiple Choice

In this problem what are you trying to find?

A car traveling at 60 m/s applies the brakes and decelerates at 4m/s² to come to a complete stop. How long does it take the car to come to a stop?

• x_i

• x

• v_i

• v

• t

Multiple Choice

When a problem says an object starts from "rest" what GIVEN are they telling you?

• x_i = 0 m

• x = 0 m

• v_i = 0 m/s

• v = 0 m/s

• a = 0 m/s^2

Multiple Choice

In this problem what are you trying to find?

A car traveling at 60 m/s applies the brakes and decelerates at 4m/s² to come to a complete stop. What distance does it travel while it is stopping?

• x_i

• x

• v_i

• v

• t

Multiple Select

In this problem what GIVENS (there is more than one!) are correctly assigned?

A car traveling at 60 m/s applies the brakes and decelerates at 4m/s² to come to a complete stop.

• x_i= 60 m

• x = -60 m

• v_i = 60 m/s

• v = 0 m/s

• a = -4 m/s²

Multiple Select

In this problem what GIVENS (there is more than one!) are correctly assigned?

A car starts from rest and accelerates at 8 m/s² for 6 seconds.

• v_i= 8 m/s

• t = 6 s

• v_i = 0 m/s

• v = 0 m/s

• a = 8 m/s²

Multiple Choice

In this problem what are you trying to find?

A car starts from rest and reaches a top speed of 80 meters per second in 7 seconds. What is the acceleration of the car?

• x_i

• x

• v_i

• v

• a

Multiple Choice

When a problem says an object was "dropped" what given is this?

• x_i = 0 m

• x = 0 m

• v_i = 0 m/s

• v = 0 m/s

• a = 0 m/s^2