WAEC Physics Past Questions & Answers - Page 270

1,346.
1,347.

A car travelling at a uniform speed of 120km h-1 passes two stations in 4 minutes. Calculate the distance between the two stations.

A.

8km

B.

15km

C.

22km

D.

30km

E.

60km

Correct answer is A

No explanation has been provided for this answer.

1,348.

Which of the following will reduce the frequency of oscillation of a simple pendulum?

A.

Increasing the mass of the bob

B.

Decreasing the mass of the bob

C.

Increasing the length of the string

D.

Decreasing the length of the string

E.

Decreasing the amplitude of oscillation

Correct answer is C

No explanation has been provided for this answer.

1,349.

At what angle to the horizontal must the nozzle of a machine gun be kept when firing to obtain a maximum horizontal range for the bullets?

A.

0.0o

B.

22.5o

C.

30.0o

D.

45.0o

E.

90.0o

Correct answer is D

No explanation has been provided for this answer.

1,350.

The angular speed of an object describing a circle of radius 4m with a linear constant speed of 10 ms-1 is

A.

40.00 rad s-1

B.

14.00 rad s-1

C.

2.50 rad s-1

D.

1.58 rad s-1

E.

0.40 rad s-1

Correct answer is C

No explanation has been provided for this answer.