Physics Practice Test – Fundamentals of Motion (Motion Under Gravity – Questions with Answers and Explanations)

Hello and Welcome to Physics Practice Test - Fundamentals of Motion (Motion Under Gravity)

1. You are to attempt 5 random objectives questions ONLY.
2. Supply Your Full Name and Location in the text box below and begin immediately.
3. You can attempt as many times as possible
1.

A ball falls from a height of 18 m above the ground. Find the speed with which the ball hits the ground [Take g = 10ms-2] (WASSCE 2016 FM)

A. 9 ms-1
B. 9.49 ms-1
C. 13.42 ms-1
D. 18.97 ms-1

2.

A particle is projected vertically upwards from a height 45 metres above the ground with a velocity of 40 ms-1. How long does it take to hit the ground [Take g = 10ms-2] (WASSCE 2006 FM)

A. 1 s
B. 3 s
C. 7 s
D. 9 s

3.

A particle is projected vertically upwards from a height of 45 metres above the ground with a velocity of 40 ms-1. How long does ¡t take to hit the ground? [Take g = 10 ms-2] (WASSCE FM 2006)

A. 1 s
B. 3 s
C. 7 s
D. 9 s

4.

An object is projected vertically upwards. Its height, h(m), at time t seconds is given by h = 20t – $\frac{3}{2}$ t2 - $\frac{2}{3}$ t3. Find the time at which it is momentarily at rest.

A. 2 ½  s
B. 2 s
C. 3 ½  s
D. 4 ½ s

5.

A particle is projected vertically upward from the ground with speed 30 ms-1. Calculate the time taken by the particle to return to the ground. [Take g = 10ms-2] (WASSCE 2016 FM)

A. 1 s
B. 2 s
C. 3 s
D. 4 s

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