Homework Answers
M = 24.9 lb
= 24.9 * 454 g
= 11305 g
= 11.305 Kg
v = 8.10 miles/h
= 8.10*1.61 km/h
= 13.041 km/h
= 13.041*1000 m / 3600 s
= 3.62 m/s
Use:
KE = 0.5*M*v^2
= 0.5* 11.305 * 3.62^2
= 74.1 J
Answer: 74.1 J
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