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Free Fall Day 2
Test Description: Questions on Freefall using kinematic Equations
Instructions: Answer all questions to get your test result.
1) A ball is thrown vertically upward with an initial velocity of 29.4 meters per second. What is the maximum height reached by the ball? Neglect friction.
A
29.4 m
B
88.1 m
C
14.7 m
D
44.1 m
2) A baseball dropped from the roof of a tall building takes 3.1 seconds to hit the ground. How tall is the building? Neglect friction.
A
94 m
B
15 m
C
47 m
D
30 m
3) A ball is thrown straight downward with a speed of 0.50 meter per second from a height of 4.0 meters. What is the speed of the ball 0.70 second after it is released? Neglect friction.
A
15 m/s
B
0.5 m/s
C
7.4 m/s
D
9.8 m/s
4) A rock falls from rest off a high cliff. How far has the rock fallen when its speed is 39.2 meters per second? Neglect friction.
A
19.6 m
B
44.1 m
C
123 m
D
78.3 m
5) A 25-newton weight falls freely from rest from the roof of a building. What is the total distance the weight falls in the first 1.0 second?
A
4.9 m
B
19.6 m
C
9.8 m
D
2.5 m
6) A 5.0-kilogram sphere, starting from rest, falls freely 22 meters in 3.0 seconds near the surface of a planet. Compared to the acceleration due to gravity near Earth's surface, the acceleration due to gravity near the surface of the planet is approxi
A
twice as great
B
the same
C
four times as great
D
one half as great
7) A 1.0-kilogram ball is dropped from the roof of a building 40. meters tall. What is the approximate time of fall? Neglect air resistance.
A
4.1 s
B
2.9 s
C
2.0 s
D
8.2 s
8) A ball dropped from rest falls freely until it hits the ground with a speed of 20 meters per second. The time during which the ball is in free fall is approximately
A
0.5 s
B
2 s
C
1 s
D
10 s
9) After a model rocket reached its maximum height, it then took 5.0 seconds to return to the launch site. What is the approximate maximum height reached by the rocket? Neglect air resistance.
A
250 m
B
98 m
C
49 m
D
120 m
10) How far will a brick starting from rest fall freely in 3.0 seconds?
A
88 m
B
44 m
C
15 m
D
29 m
11) A softball is thrown straight up, reaching a maximum height of 20 meters. Neglecting air resistance, what is the ball's approximate vertical speed when it hits the ground?
A
15 m/s
B
20 m/s
C
10 m/s
D
40 m/s
*select an answer for all questions
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