The pitch was clocked at 100.9 mi/hr (45.0 m/s). Determine the impulse required to give a 0.145-kg baseball such a momentum.
By the definition, the momentum is
"p = mv"
"p = 0.145 \\; kg \\cdot 45\\; m\/s =6.525\\; kg\\cdot m\/s"
Answer: 6.525 [kg m/s]
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