Motion - Jamb Physics Past Questions and Answers

Question 56:

• JAMB 1991

A spring of force constant 1500Nm^-1 is acted upon by a constant force of 75N. Calculate the potential energy stored in the string

A. 1.9J
B. 2.8J
C. 3.45J
D. 0.43J

Question 57:

• JAMB 1991

A boy timed 30 oscillations of a certain pendulum thrice and obtained 1min. 10s, 1min. 12s and 1min. 7s respectively.The mean period of oscillation of the pendulum is

A. 0.14s
B. 0.43s
C. 2.32s
D. 6.97s

Question 58:

• JAMB 1992

Which of the following affects the period of a simple pendulum? i. mass of the pendulum bob. ii. length of the pendulum. iii. acceleration due to gravity.

A. I, ii, and iii
B. Ii and iii only
C. I and iii only
D. I and ii only

Question 59:

• JAMB 1992

A boy sits in a train moving with uniform speed on a straight track. If from his outstretched palm he gently tosses his coin upwards, the coin will fall

A. In front of his palm
B. Behind his palm
C. Beside his palm
D. Into his palm

Question 60:

• JAMB 1992

A body starts from rest and moves with uniform acceleration of 6ms^-2. What distance does it cover in the third seconds

A. 15m
B. 18m
C. 27m
D. 30m