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Grade: 11
        
Answer of this in Newton not Newtonsecond
Please ans
8 months ago

Answers : (2)

Susmita
425 Points
							Dear
						
8 months ago
Susmita
425 Points
							
Dear student
Impulse=Fdt
But F is not given here.what is given is change of momentum dp=mv-(-mv)=2mv.
Force is time rate of change of momentum.
F=dp/dt
So impulse=Ft=(dp/dt)dt=dp
That is why the ans is in N.
8 months ago
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