A 0.15 kg ball hits a bat at 10 m/s and returns at 10 m/s. Impulse magnitude?
A1.5 N s
B0 N s
C15 N s
D3 N s
Answer & Solution
Correct answer: D. 3 N s
The velocity reverses, so the change in momentum is 0.15 x (10 + 10) = 3 N s.
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