Type the correct answer in the box. Round your answer to the nearest whole number.
Calculate the man’s mass. (Use PE = m × g × h, where g = 9.8 N/kg.)
A man climbs a wall that has a height of 8.4 meters and gains a potential energy of 4,620 joules. His mass is about __
kilograms.
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Answer:
52 kg
Explanation:
PE = mgh
m = PE ÷ gh
m = 4620 ÷ (9.8×8.4 )
m = 4620 × 82.32
m = 56.122
m approx = 56
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