Physics, 18.12.2020 19:50, sabrinachambers444
A mover's dolly is used to pull a 115 kg refrigerator up a ramp
into a house. The ramp is 2.10 m long and rises 0.850 m. If
1042 J of work is done, what is the exerted force?
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
Physics, 22.06.2019 17:10, kaiyakunkle
What causes the development of most clouds and precipitation in the atmosphere?
Answers: 1
Physics, 23.06.2019 00:00, jazminemendezhidalgo
If water vapor with the mass of 35.0 grams is cooled and condensed into water in a closed system such as a closed glass jar, what is the mass of the water after the water vapor completely condenses? a) 34.5 grams b) 35.0 grams c) 35.5 grams d) the mass cannot be determined without knowing the volume
Answers: 2
A mover's dolly is used to pull a 115 kg refrigerator up a ramp
into a house. The ramp is 2.10 m lo...
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