Post Utme Physics Past Questions and Answers

Question 926:

A ball bearing is projected vertically upward from the ground with a velocity of 15m^-1 calculate the time taking by the ball to return to the ground [g = 10ms^-2]

A. 1.5s
B. 4.5s
C. 4.0s
D. 5.3s
E. 3.0s

Question 927:

An electric motor is a machine that converts ____________

A. Mechanical energy into electrical energy
B. Electrical energy into electrical energy
C. High voltage to low voltage
D. Low voltage to High voltage
E. High energy to low energy

Question 928:

what change in the velocity would be produced on a body of mass 4kg if a constant force of 16N acts on it for 2s?

A. 0.5 mst
B. 8.0 ms?
C. 2.0 ms?
D. 9.0 ms?
E. 10.0 ms?

Question 929:

In a domestic circuit, electrical appliances and lamps are arranged in a parallel across the main so as to enable the ____________

A. Same current to flow through the electrical appliances and lamps
B. Maximum energy to be consumed at least cost
C. Same fuse to be used for the electrical appliances and the lamps
D. Voltage across the appliances not to be affected when the lamps are switch on and ( off
E. Heat losses to be minimized

Question 930:

A loaded spring perform simple harmonic motion with and amplitude of 5cm, if the maximum acceleration of the load is 20cm². Calculate the angular frequency of the motion

A. 2 rads?
B. 4 rad s*?
C. 6 rad st
D. 8 rad s"!
E. 10 rad s*!