Kinematics Review Question Preview (ID: 53557)


Kinematics Review Questions. TEACHERS: click here for quick copy question ID numbers.

The acceleration due to gravity is
a) Always -9.8 m/s2
b) -9.8 m/s2 going up and +9.8 m/s2 going down
c) +9.8 m/s2 going up and -9.8 m/s2 going down
d) Always 9.8 m/s2

An apple is dropped off a house which is 12 m high. How long is the apple in the air?
a) 1.57 s
b) 2.45 s
c) 1.22 s
d) 2.33 s

A free falling object is defined as....
a) Any object in the air under the influence of gravity.
b) An object that is falling downward in the air with air resistance.
c) An object that is moving upward with air resistance.
d) An object with wings.

A piece of bread is dropped off a cliff. If it takes 2.47 s to hit the ground, how high was the cliff?
a) 9.8 m
b) 24.2 m
c) 30 m
d) 47.4 m

A chair is dropped out of an helicopter. If it lands with a speed of 44.27 m/s, how high was the helicopter
a) 9.8 m
b) 22.45 m
c) 32.8 m
d) 44.27 m

A car traveling down the road slams on the breaks and stops. If the traveled 20 m and it took 2 seconds to stop, what was the initial velocity of the car?
a) 9.8 m/s
b) 20 m/s
c) 40 m/s
d) 5 m/2

When solving a problem, the next step after you draw a labeled picture is to
a) write down the equation you are using.
b) read the problem.
c) plug in the numbers into the equation.
d) circle your answer with correct units.

What is the difference between speed and velocity?
a) There is no difference.
b) Speed depends on time and velocity does not.
c) Velocity is speed and direction.
d) Velocity has acceleration and speed does not.

Acceleration is....
a) slowing down.
b) speeding up.
c) how fast you are going.
d) the rate at which velocity changes.

Given a velocity vs. time graph, how can you tell if it is going faster?
a) The graph is above the x-axis
b) The graph moves away from the x-axis
c) The slope of the graph is increasing
d) The slope of the graph is positive

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