Physics, 12.11.2019 06:31 Nicoleebel2984
For a top player, a tennis ball may leave the racket on the serve with a speed of 55 m/s (about 120 mi/h). if the ball has a mass of 0.060 kg and is in contact with the racket for about 4 ms (4 x 10-3 s), estimate the average force on the ball. would this force be large enough to lift a 60-kg person?
Answers: 2
Physics, 22.06.2019 06:20, lolweapon
Atwo-stage air compressor operates at steady state, compression 10m^3/min of air from 100 kpa and 300k to 1200 kpa. an intercooler between the two stages cools the air to 300k at a constant pressure of 350 kpa. the compression processes are isentropic. a) calculate the power required to run the compressor, in kw b) compare the result to the power required for isentropic compression from the same inlet state to the same final pressure.
Answers: 1
Physics, 22.06.2019 07:20, swkgp3cevk
What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.
Answers: 3
For a top player, a tennis ball may leave the racket on the serve with a speed of 55 m/s (about 120...
Mathematics, 11.06.2021 22:10
Mathematics, 11.06.2021 22:10