Physics 2013 Jamb Past Questions and Answers

Question 6 :

• JAMB 2013

A train with an initial velocity of 20ms^-1 is subjected to a uniform deceleration of 2m^-2. The time required to bring the train to a complete halt is?

A. 5s
B. 10s
C. 20s
D. 40s

Question 7 :

• JAMB 2013

Calculate the apparent weight loss of a man weighing 70kg in an elevator moving downwards with an acceleration of 1.5ms^-2.
[g = 10ms^-2]

A. 686N
B. 595N
C. 581N
D. 105N

Question 8 :

• JAMB 2013

A piece of cork floats in a liquid. What fraction of its volume will be immersed in the liquid?
[Density of the cork = 0.25 x 10³kgm^-3, Density of the liquid = 1.25 x 10³kgm^-3]

A. 0.8
B. 0.5
C. 0.2
D. 0.1

Question 9 :

• JAMB 2013

An object is moving with a velocity of 5m^-1. At what height must a similar body be situated to have a potential energy equal in value with kinetic energy of the moving body?

A. 25.0m
B. 20.0m
C. 1.3m
D. 1.0m

Question 10 :

• JAMB 2013

If a pump is capable of lifting 5000kg of water through a vertical height of 60m in 15 min, the power of the pump is

A. 2.2.5 x 10 ⁵js^-1
B. 2.5 x 10⁴js^-1
C. 3.3 x 10³js^-1
D. 3.3 x 10²js^-1