What is the acceleration down the ramp of an object on a 17° ramp?
A
2.9 m/s2
B
4...
Physics, 15.12.2020 05:10 cherkaouinazihp387bk
What is the acceleration down the ramp of an object on a 17° ramp?
A
2.9 m/s2
B
4.2 m/s2
C
5.5 m/s2
d
9.4 m/s2
Answers: 1
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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
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