Regents Review - Kinematics

Which list includes 3 vector quantities?

• energy, work, distance

• velocity, force, power

• acceleration, speed, work

• displacement, acceleration, force

The displacement of the student from start to finish is

• 1.40 km north

• 1.40 km south

• 5.00 km south

• 5.00 south

A motorcyclist, initially traveling east at 15 meters per second, accelerates uniformly at a rate of 3.0 meters per second squared east to a velocity of 21 meters per second east. How far does the motorcyclist travel while accelerating?

• 1.0 m

• 2.0 m

• 36 m

• 72 m

Which graph best represents the motion of an object traveling at a constant positive velocity?

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What is the magnitude of the object's acceleration?

What is the total distance the object falls during the first 3 seconds?

• 12 m

• 24 m

• 44 m

• 72 m

A 3.00-kg mass is thrown vertically upward with an initial speed of 9.80 meters per second. What is the maximum height this object will reach?

• 1.00 m

• 4.90 m

• 9.80 m

• 19.6 m

A rock is dropped from a bridge. What happens to the magnitude of the acceleration and the speed of the rock as it falls?

• Both acceleration and speed increase.

• Both acceleration and speed remain the same.

• Acceleration increases and speed decreases.

• Acceleration remains the same and speed increases.

An object starts from rest and falls freely for 40. meters near the surface of planet P. If the time of fall is 4.0 seconds, what is the magnitude of acceleration due to gravity on planet P?

• 0

• 1.3

• 5.0

• 10

Which pair of graphs represents the same motion?

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