a ball moving with a momentum of 15kgm/s strikes against a wall at 60° angle and is reflected at the same angle with its initial speed find the impulse
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Answered by
1
Answer:
Impulse = Change in Momentum (Δp)=
p
1
2
+p
2
2
+2p
1
p
2
cosθ
=2pcos(
2
θ
)
=2×15cos(
2
60
)
=30×
2
3
=15
3
kgm/s
Explanation:
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