Motion - Jamb Physics Past Questions and Answers

Question 71:

• JAMB 1995

The acceleration of the system show above is

A. 2ms^-2
B. 4ms^-2
C. 6ms^-2
D. 8ms^-2

Question 72:

• JAMB 1997

The distance xm travelled by a particle in time t seconds is described by the equation x = 10 + 12t², Find the average speed of the particle between the time interval t = 2s and t = 5s

A. 60 ms^-1
B. 72 ms^-1
C. 84 ms^-1
D. 108 ms^-1

Question 73:

• JAMB 1997

A 5kg block is released from rest on a smooth plane inclined at an angle of 30^o to the horizontal. What is the acceleration down the plane? [g = 10ms^-2]

A. 5.0 ms^-2
B. 5.8 ms^-2
C. 8.7 ms^-2
D. 25.0 ms^-2

Question 74:

• JAMB 1997

An arrow of mass 0.1kg moving with a horizontal velocity of 15ms^-1 is shot into a wooden block of mass 0.4kg lying at rest on a smooth horizontal surface. Their common velocity after impact is

A. 15.0 ms^-1
B. 7.5 ms^-1
C. 3.8 ms^-1
D. 3.0 ms^-1

Question 75:

• JAMB 1997

Two bodies X and Y are projected on the same horizontal plane, with the same initial speed but at angles 30 and 60 respectively to the horizontal. Neglecting air resistance, the ratio of the range of X to that of Y is

A. 1:1
B. 1:2
C. √3:1
D. √3