Jamb Physics 2009 Past Questions and Answers

Question 6:

• JAMB 2009

If a cage containing a truck of coal weighing 750 kg is raised to a height of 90 m in a minute, what is the total power expended?
[g = 10 ms²]

A. 11.50 kw
B. 12.60 kw
C. 11.25 kw
D. 12.10 kw

Question 7:

• JAMB 2009

An object of mass 80 kg is pulled on a horizontal rough ground by a force of 500 N. Find the coefficient of static friction.
[g = 10 ms^-2]

A. 0.8
B. 0.4
C. 1.0
D. 0.6

Question 8:

• JAMB 2009

If a heavy barrel is rolled up a plane inclined at 30° to the horizontal. its velocity ratio will be

A. 3.0
B. 3.1
C. 3.2
D. 2.0

Question 9:

• JAMB 2009

I. Density of the liquid.
II. Acceleration due to gravity.
III. Type of container of the liquid.
IV. The constituents of the liquid.
which of the above conditions will NOT affect the pressure of fluid?

A. I and III only
B. II and III only
C. III and IV only
D. I and II only

Question 10:

• JAMB 2009

If a load of mass 10N stretched a cord by 1.2cm, what is the total work done?

A. 6.0 x 10^-2J
B. 7.6 x 10^-2J
C. 1.8 x 10^-2J
D. 6.6 x 10^-2J