WAEC Past Questions and Answers - Page 4134

20,666.

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.

20,668.
20,669.

A boy cycles continuously through a distance of 1.0 km in 5 minutes. Calculate his average speed

A.

0.3ms-1

B.

3.3ms-1

C.

16.6ms-1

D.

20.0ms-1

E.

200.0ms-1

Correct answer is B

No explanation has been provided for this answer.

20,670.

Which of the following is a fundamental quantity?

A.

Heat capacity

B.

Electric current

C.

Torque

D.

Reactance

E.

Density

Correct answer is B

No explanation has been provided for this answer.