Motion - Jamb Physics Past Questions and Answers

Question 191:

• JAMB 2019

If the time of flight is 96 seconds, calculate the horizontal range through the point of projection.

A. 84400m
B. 69000m
C. 61440m
D. 24000m

Question 192:

• JAMB 2020

The force required to make an object of mass m, travelling with velocity v, turn in a circle of radius r is

A. \(\frac{mv^2}{r}\)
B. \(\frac{mr^2}{x}\)
C. \(\frac{mr}{v}\)
D. \(\frac{mv}{r^2}\)

Question 193:

• JAMB 2020

A machine gun with a mass of 5kg fires a 50g bullet at a speed of 100 ms\(^{-1}\). The recoil speed of the machine gun is

A. 0.5 ms\(^{-1}\)
B. 1.5 ms\(^{-1}\)
C. 1 ms\(^{-1}\)
D. 2ms\(^-1\)

Question 194:

• JAMB 2020

If in a simple pendulum experiment the length of the inextensible string is increased by a factor of four, its period is increased by a factor of?

A. 4
B. \(\frac{\pi}{2}\)
C. \(\frac{1}{4}\)
D. 2

Question 195:

• JAMB 2021

Two bodies have masses in the ratio3:1. They experience forces which impart to them, acceleration in the ratio 2:9 respectively. Find the ratio of forces the masses experienced

A. 1:4
B. 2:1
C. 2:3
D. 2:5