Motion - Jamb Physics Past Questions and Answers

Question 156:

• JAMB 2015

If a ball released from a height of 20m, How long would it take the ball to reach the ground? (assures g = 10m/s)

A. 2sec
B. 3sec
C. 35sec
D. 2.4sec

Question 157:

• JAMB 2015

If an object which mass is 3kg moves in a circular path of a radius 0.7m, record a speed at 2m/s what is the result of the angular velocity?

A. 4 rads^–1
B. 1rads–1^–1
C. 3^–1rads–1
D. 4rads–1^–1

Question 158:

• JAMB 2015

What is the magnitude of the couple which acts on a rotating circular disc of radius 2m, if a constant tangential force of 2N is responsible for the rotation.

A. 15Nm
B. 25Nm
C. 3Nm
D. 4Nm

Question 159:

• JAMB 2015

If a projectile has maximum range of 36m, find the speed of projection (Take g = 9.8m/s²)

A. 27m/s²
B. 2m/s²
C. 4m/s²
D. 7m/s²

Question 160:

• JAMB 2015

In an inelastic collision
I. Energy is conversed
II. Energy is decreased
III. Energy is increased
IV. Linear momentum conversed

A. I only
B. II and IV only
C. II only
D. III only