Physics, asked by rohitbhandigare96200, 4 months ago

A ball of mass m kg moving with a speed v strikes a wall at an angle thita with the wall and rebounds with same speed and same angle. what is its change in momentum?​

Answers

Answered by Prameelaprameela242
1

Answer:

Let the object strikes the wall at an angle θ.

Momentum when object hits ball is p

1

=mvsinθ

i

^

−mvcosθ

j

^

when it rebounds at same speed & same angle, p

2

=mvsinθ

i

^

+mvcosθ

j

^

Change in momentum =p

2

−p

1

=mvsinθ

i

^

+mvcosθ

j

^

−(mvsinθ

i

^

−mvcosθ

j

^

)

Δ

p

=2mvcosθ

j

^

j

^

is the unit vector along y− direction.

Magnitude of Δ

p

=2mvcosθ

hope it helps u mate

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Answered by abhayojha217
1

Answer:

same Answer write an essay on importance of the tree

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