Question

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.

Answer 1

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]