Starting from
rest, an onject rolls freely down an incline that is 10 m long in 2.0 s. The acceleration of the object is 5 m/s 5 m/s2 10 m/s 10 m/s2 2.
An object, initially at rest,
falls freely near the earth’s surface. How long does it take the object to reach a speed of 98 m/s ? 0.1 s 10 s 98 s 960 s 3.
A rock is dropped from a
cliff. Approximately how long does it take to fall 45 m ? 1.0 s 5.0 s 3.0 s 8.0 s 4.
What is the speed of a rock,
initially at rest, that has fallen 66 m near the Earth’s surface ? 25 m/s 36 m/s 96 m/s 1300 m/s 5.
An astronaut drops a rock from
rest on the Moon’s surface. How far will the rock fall in 2.0 s ? (Acceleration due
to gravity on the Moon is 1.6 m/s2) 3.2 m 1.6 m 32 m 2.4 m 6.
A student drops an object from
the top of a building which is 19.6 m high. How long does it take the object to fall to the ground ? 19.6 s 2.00 s 3.00 s 4.00 s 7.
A cart initially traveling at
10 m/s accelerates uniformly at 3.0 m/s2 for 4.0 s. The distance traveled by
the cart at the end of this 4.0 s is 40 m 64 m 88 m 180 m 8.
An object is allowed to fall
freely near the surface of a planet. The object falls 54 m in the first 3.0 s. The acceleration due to gravity
on that planet is 6.0 m/s2 12 m/s2 27 m/s2 108 m/s2 9.
An object initially at rest
accelerates at 5.0 m/s2 until it attains a speed of 30 m/s. What distance does
the object move while accelerating ? 30 m 90 m 3 m 600 m 10.
An object initially traveling
at 20. m/s west decelerates uniformly at 4.0 m/s2 for 2.0 s. The displacement
of this object is 32 m east 32
m west 48 m east 48 m west Base your answers to questions 11
through 16 on the speed-time graph below representing the motion of a cart. 
11.
The cart travels the shortest
distance in interval 0-5 s 5-8 s 8-11 s 11-16 s 12.
The cart’s average speed
is greatest during interval 0-5 s 5-8 s 8-11 s 11-16 s 13.
The cart travels the greatest
distance during interval 0-5 s 5-8 s 8-11 s 11-16 s 14.
The magnitude of the
cart’s acceleration is greatest during interval 0-5 s 5-8 s 8-11 s 11-16 s 15.
During how many intervals is
the cart’s acceleration equal to zero ? 1 2 3 4 
