Physics, 18.07.2019 15:30 payshencec21
Aman pushes on a piano of mass 180 kg so that it slides at a constant velocity down a ramp that is inclined at 11° above the horizontal. no appreciable friction is acting on the piano. calculate the magnitude and direction of this push if the man pushes parallel to the incline. 34.3 n up the incline 337 n up the incline 337 n down the incline 34.3 n down the incline
Answers: 1
Physics, 21.06.2019 17:30
Awheel rotates without friction about a stationary horizontal axis at the center of the wheel. a constant tangential force equal to 82.0 n is applied to the rim of the wheel. the wheel has radius 0.150 m . starting from rest, the wheel has an angular speed of 12.8 rev/s after 3.88 s. what is the moment of inertia of the wheel?
Answers: 3
Physics, 22.06.2019 13:30
6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.
Answers: 2
Aman pushes on a piano of mass 180 kg so that it slides at a constant velocity down a ramp that is i...
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