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Ronnica
Questions (2)
During a circus performance, a 77-kg human cannonball is shot out of an 20-m-long cannon. If the human cannonball spends 0.91 s
1 answer
613 views
A balloon is filled with helium gas at 23 degrees C. The balloon expands until the pressure is equal to the atmospheric pressure
1 answer
1,179 views
