Physics, 31.05.2021 17:40 sbudlove2838
A 60 kg pupil runs for 600m in 1 minute uniformly (a)calculate his velocity
(b)calculate his kinetic energy
(c)if eating one banana enables a pupil to perform about 3kg of work how many bananas should he eat?β
Answers: 1
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Ais not a compound machine. a. bolt b. shovel c. handcart (dolly) d. see-saw (teeter totter)
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Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)
Answers: 1
A 60 kg pupil runs for 600m in 1 minute uniformly (a)calculate his velocity
(b)calculate his kineti...
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