Linear motion - Jamb Physics Past Questions and Answers

Question 6:

• JAMB 1989

Two points on a velocity time-graph have coordinates (5s, 10ms^-1) and (20s, 20ms^-1). Calculate the mean acceleration between the two points

A. 0.67ms^-1
B. 0.83ms^-1
C. 1.50ms^-1
D. 2.00ms^-1

Question 7:

• JAMB 1990

A particle of mass M which is at rest splits up into two. If the mass and velocity of one of the particles are m and v respectively, calculate the velocity of the second particle

A. \(\frac{mv}{M}\)
B. \(\frac{Mv}{M - m}\)
C. \(\frac{mv}{M + m}\)
D. \(\frac{mv}{M - m}\)

Question 8:

• JAMB 1990

What is the average velocity of the sprinter whose velocity time graph is as shown above

A. 85.0ms^-1
B. 17.0ms^-1
C. 8.5ms^-1
D. 1.7ms^-1

Question 9:

• JAMB 1993

The diagram above shows a velocity time graph representing the motion of a car. Find the total distance covered during the acceleration and retardation of the motion

A. 75m
B. 150m
C. 300m
D. 375m

Question 10:

• 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