During a circus performance, John Tailor was fired from a compressed-air cannon whose barrel was 20 m
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During a circus performance, John Tailor was fired from a compressed-air cannon whose barrel was 20 m long.
Mr. Tailor emerged from the cannon (twice on weekdays, three times on Saturdays and Sundays) at 40 m/s. If Mr. Tailor’s mass was 60 kg, what was the average force on him when he was inside the cannon’s barrel?
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