Answer:
Change in momentum when ball strikes one wall is:
Δp=−mv
0
−m(v
)=−2mv
The time it takes to come back and hit the wall again is :
t=
−v
2d
Hence force applied is
t
Δp
=
d
mv
2
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Answers & Comments
Answer:
Change in momentum when ball strikes one wall is:
Δp=−mv
0
−m(v
0
)=−2mv
0
The time it takes to come back and hit the wall again is :
t=
−v
0
2d
Hence force applied is
t
Δp
=
d
mv
0
2