Jamb Physics 2006 Past Questions and Answers

Question 51:

• JAMB 2006

An engine of a car of power 80 kW moves on a rough road with a velocity of 32 ms^-1. The forces required to bring it to rest is

A. 2.56 x 10⁶N
B. 2.50 x 10⁶N
C. 2.80 x 10³N
D. 2.50 x 10³N

Question 52:

• JAMB 2006

A progressive wave equation is represented by y = a sin\(\pi\) (150 Ï€t - x/4). if the phase difference of a progressive wave is 45°, the value of x in the equation is

A. 3 cm
B. 4 cm
C. 1 cm
D. 2 cm