Question

The wheel of a cart is making 5 revolutions per second. If the diameter of the wheel is 84 cm, find its speed in km/ hr. Give your answer , correct to nearest km.

Answer 1

Answer:

1.38

Step-by-step explanation:

circumference of wheel =pie * d = 264 cm

and it revolves 5 times so

264*5=1320cm

which is equal to 1.32hr

so ans is