Waec Further Mathematics Past Questions and Answers

Question 486:

• WAEC 2011

A force of 200N acting on a body of mass 20kg initially at rest causes it to move a distance of 320m along a straight line for t secs. Find the value of t.

A. 4s
B. 6s
C. 8s
D. 10s

Question 487:

• WAEC 2011

Two forces 10N and 15N act on an object at an angle of 120° to each other. Find the magnitude of the resultant.

A. \(5\sqrt{5}N\)
B. \(5\sqrt{7}N\)
C. \(7\sqrt{5}N\)
D. \(7\sqrt{7}N\)

Question 488:

• WAEC 2011

A body of mass 25kg changes its speed from 15m/s to 35m/s in 5 seconds by the action of an applied force F. Find the value of F.

A. 100N
B. 375N
C. 500N
D. 600N

Question 489:

• WAEC 2011

A particle starts from rest and moves in a straight line such that its velocity, v, at time t seconds is given by \(v = (3t^{2} - 2t) ms^{-1}\). Calculate the distance covered in the first 2 seconds.

A. 2m
B. 4m
C. 6m
D. 8m

Question 490:

• WAEC 2011

A particle starts from rest and moves in a straight line such that its velocity, v, at time t seconds is given by \(v = (3t^{2} - 2t) ms^{-1}\). Determine the acceleration when t = 2 secs.

A. \(4 ms^{-2}\)
B. \(6 ms^{-2}\)
C. \(8 ms^{-2}\)
D. \(10 ms^{-2}\)