Motion - Jamb Physics Past Questions and Answers

Question 61:

• JAMB 1992

A stone, Q is thrown with velocity U at an angle of 75^o to the horizontal. Another stone R is thrown with the same velocity U but with an angle of 15^o to the horizontal. The ranges covered by the stones will be

A. Greater for Q
B. Greater for R
C. The same for Q and R
D. Greater for the heavier of the two stones

Question 62:

• JAMB 1992

What is the frequency of the sound made by a siren having a disc with 32 holes and making 25 revolution per seconds?

A. 80Hz
B. 600Hz
C. 800Hz
D. 1600Hz

Question 63:

• JAMB 1993

A rocket burns fuel at the rate of 10kgs^-1 and ejects it with velocity of 5 x 10³ms^-1. The thrust exerted by the gas on the rock is

A. 2.5 x 10⁷N
B. 5.0 x 10⁴N
C. 5.0 x 10²N
D. 2.0 x 10^-3N

Question 64:

• JAMB 1993

The diagram above shows a velocity time graph representing the motion of a car. Find the total distance covered during the acceleration and retardation of the motion

A. 75m
B. 150m
C. 300m
D. 375m

Question 65:

• JAMB 1994

An object is projected with a velocity of 80ms^-1 at an angle of 30^o to the horizontal.The maximum height reached is

A. 20m
B. 80m
C. 160m
D. 320m