Physics, 03.01.2021 14:50 jaydenbomkamp6084
A marble, rolling with speed of 20m/sec rolls off the edge of the table that is 180m high (g=10m/sec2), find time taken to drop to the ground.
a. 10sec
b. 8sec
c. 6sec
d. 12sec
Answers: 2
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
A marble, rolling with speed of 20m/sec rolls off the edge of the table that is 180m high (g=10m/sec...
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