Question

an object make 800 revolution in 4 mins. find the rate in rev/min

Answer 1

4 divides by 4 equals 1
800 divides by 4 equals 200
200 revolutions per minute

Answer 2

Rate of revolution per minute is equals to 200 rev/min.

What is rate?

" Rate is defined as the comparison of two different quantities in ratio form which represents different units."

According to the question,

Given,

Number of revolution = 800

Time required to  complete given revolution = 4minutes

As per the given conditions we have,

4 minutes = 800 revolution

Rate of revolution per minute = $\frac{800}{4} revolution/ minute$

                                                  = 200 rev / min

Hence, rate of revolution per minute is equals to 200 rev/min.

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