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Estimate the pressure exerted on a floor by (a) one
Chapter 4, Problem 7P(choose chapter or problem)
QUESTION:
Problem 7P
Estimate the pressure exerted on a floor by (a) one pointed chair leg (60 kg on all four legs) of area = 0.020 cm2, and (b) a 1500-kg elephant standing on one foot (area = 800 cm2).
Questions & Answers
QUESTION:
Problem 7P
Estimate the pressure exerted on a floor by (a) one pointed chair leg (60 kg on all four legs) of area = 0.020 cm2, and (b) a 1500-kg elephant standing on one foot (area = 800 cm2).
ANSWER:
ANSWER: To answer which one has more kinetic energy, first we need to calculate the kinetic energy for each. So, let’s do it. STEP 1:- The kinetic energy of the bullet of 10 g fired at a speed of 500 m/s is, 3 2 Here the mas