An object of m kg with speed of v m/s strikes a wall at an angle and rebounds at the same speed and same angle. The magnitude of the change in momentum of the object will be

Question:

17. An object of m kg with speed of v m/s strikes a wall at an angle and rebounds at the same speed and same angle. The magnitude of the change in momentum of the object will be

Options :

a) 2mv cosΘ
b) 2mv sinΘ
c) 0
d) 2mv

Answer Steps :

Solution :-

Method1 :-

Step1 :-

Step2 :-

Method2 :-

Step1 :-

Step2 :-

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If a body is executing simple harmonic motion then

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Solution :-

Method1 :-

Step1 :-

Step2 :-

Method2 :-

Step1 :-

Step2 :-

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