How much time is required to change 22 Ns momentum by a force of 20 N ? Ans. (1.1s)


Given:  

Change in Momentum = `\P_1 - P_2` = 22 Ns
Force = F = 20 N

To Find:
Time required = t =   ? 

Solution:  

As we know that the rate of change in momentum is also called the force So, the formula is

F = `\frac {P_1 - P_2}{t}`

or

t`\frac {P_1 - P_2}{F}`

putting values 

t = `\frac{22 Ns}{20 N}`

t = 1.1 s

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