Post Utme Physics Past Questions and Answers

Question 371:

Which of the following quantities is a vector?

A. Mass
B. Velocity
C. Distance
D. Speed

Question 372:

A hose ejects water at 80 cl/s through a hole 2 mm in diameter.
The water impinges on a wall and drops off without rebounding.
What is the force on the wall?

A. 2.04 N.
B. 240.0 N
C. 20.4 N
D. 24.0 N

Question 373:

A train travelling at 72 km/h undergoes a uniform retardation of 2 m/s when brakes are applied.
Find the distance travelled from the place where the brakes were applied.

A. 10m
B. 50 m
C. 100 m.
D. 250m

Question 374:

A force of 200 N pulls a sledge of mass 50 kg and overcomes a constant frictional force of 40 N.
What is the acceleration of the sledge?

A. 4.0 m/s
B. 50m/s
C. 4.5 m/s
D. 3.2 m/s

Question 375:

An object A of mass 2 kg is moving with a velocity of 3 m/s and collides head-on with another object B of mass 1kg moving in the opposite direction with a velocity of 4 m/s. Assuming the objects move off together after collision, calculate their common velocity.

A. 0.67 m/s
B. 0.50 m/s
C. 0.35 m/s
D. 0.55 m/s