Physics, 15.04.2020 20:25, runopaxef5136
Hai swings a ball in a vertical circle at the end of a string that always remains taut (putting tension in the string.) At the top of the circle, the centripetal force on the ball is
Answers: 3
Physics, 22.06.2019 02:00, LadyHolmes67
The motor m applies a time-varying force of f (200 t) n, where t is in seconds. box b with mass 200 kg starts from rest, and the coefficients of kinetic and static friction are 0.2 and us 0.3 the acceleration due to gravity is g 9.8 m/s2 b 300 a) find the time ' when the box starts to move. b) calculate the speed of the crate at 3 s c) calculate the power delivered by the motor at t 3 s
Answers: 3
Hai swings a ball in a vertical circle at the end of a string that always remains taut (putting tens...
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