Motion - Jamb Physics Past Questions and Answers

Question 66:

• JAMB 1994

A motor vehicle is brought to rest from a speed of 15ms^-1 in 20 seconds. Calculate the retardation.

A. 0.75ms^-1
B. 1.33ms^-2
C. 5.00ms^-2
D. 7.50ms^-2

Question 67:

• JAMB 1994

Which of the following is TRUE of a particle moving in a horizontal circle with constant angular velocity?

A. The energy is costant but the linear momentum varies
B. The linear momentum is conatant but the energy varies
C. Both energy and linear momentum are constant
D. The speed and the linear velocity are both constant

Question 68:

• JAMB 1994

A force of 15N stretches a spring to a total length of 30cm. An additional force of 10N stretches the spring 5cm further. Find the natural length of the spring

A. 25.0cm
B. 22.5cm
C. 20.0cm
D. 15.0cm

Question 69:

• JAMB 1995

The length of a displaced pendulum ball which passes its lowest point twice every seconds is [g = 10ms-2]

A. 0.25 m
B. 0.45 m
C. 0.58m
D. 1.00m

Question 70:

• JAMB 1995

When a ball rolls on a smooth level ground, the motion of its center is

A. Translational
B. Oscillatory
C. Random
D. Rotational