Margaret K.

asked • 02/18/20

Momentum & Energy

Ccalculate the force change in potential energy of 80 kg of water falling 50m over Niagara Falls.

2. Car crashes in a wall at 25.0 m/s and its contents are brought to rest in 0.100s. What is the average force exerted in 75.0 kg test dummy by seat belt?

3. Judy has a mass of 72.0 kg and strands on a slippery ice. She catches her leaping dog (15.0kg) moving horizontally at 3.00 m/s. What is the speed of judy and her dog after she catches him?

1 Expert Answer


Mukul S. answered • 02/18/20

Experienced & Expert Physics/Math Tutor

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