1.

The wheel of a car of 30 cm radius makes 140 revolutions for every 30 sec. What is the speed of the car?

A. 12.4 m/sec
B. 10.6 m/sec
C. 8.8 m/sec
D. 6.2 m/sec
Answer» D. 6.2 m/sec


Discussion

No Comment Found

Related MCQs