Physics, 07.11.2019 08:31, ejhoff4347
A105-kg basketball player crouches down 0.400 m while waiting to jump. after exerting a force on the floor through this 0.400 m, his feet leave the floor and his center of gravity rises 0.950 m above its normal standing erect position. (a) using energy considerations, calculate his velocity when he leaves the floor. (b) what average force did he exert on the floor? (do not neglect the force to support his weight as well as that to accelerate him.) (c) what was his power output during the acceleration phase?
Answers: 1
Physics, 22.06.2019 09:20, Geo777
Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers
Answers: 1
A105-kg basketball player crouches down 0.400 m while waiting to jump. after exerting a force on the...
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