Question

16. :A wheel of a cart is making 4 revolutions per second
If the diameter of the wheel is 84 cm, find its speed.
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Answer 1

Answer:

Diameter of the wheel is 84 cm

so circumference of the wheel

=π×diameter

=22/7×84cm=22×12cm=264cm

distance covered in one revolution=

circumference of the wheel.

In 1 sec there are 4 revolutions

so distance covered in 1sec=

4×264cm=1056cm

so speed of the wheel is 1056cm/sec

Step-by-step explanation:

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