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Question 1 · 4 marks
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A 0.5 kg sphere strikes a smooth wall with velocity components 6 m
s
−
1
^{-1}
−
1
towards the wall and 8 m
s
−
1
^{-1}
−
1
parallel to it. The coefficient of restitution is 0.75.
(a)
Find the magnitude of the impulse on the sphere.
2 marks
N s