A75 kg person is two-thirds way up a uniform ladder of length 3.5 m and mass 37.5 kg that is leaning against a wall. the coefficient of static friction between the ladder and wall is 0, and that between ladder and floor is 0.35. what is the maximum angle between the ladder and the wall before the ladder starts slipping? a) 27.06750 b) 26.25° c) 61.96875 d) 41.99 e) 36.1°
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Physics, 22.06.2019 00:00, cchsemily7210
A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?
Answers: 1
Physics, 22.06.2019 08:30, mikemurray115
How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects
Answers: 2
A75 kg person is two-thirds way up a uniform ladder of length 3.5 m and mass 37.5 kg that is leaning...
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