What is the trunks acceleration
Macie pulls a 40 kg rolling trunk by a strap angled at 30° from the horizontal. She pulls with a force of 40 N, and there is a 30 N rolling friction force acting on trunk. What is the trunk's acceleration? Please show work.
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Emitting beta particles with an average energy of 5.37 MeV/decay) at a concentration of 2.3pCi/L. What is the air-kerma rate (Gy/h)?
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How condenser can increase the power developed? And what is back pressure how it will effect the plant efficiency and how the vaccum will increase the power developed by turbine?
In a hydroelectric power plant, water enters the turbine nozzles at 880 kPa absolute with a negligible velocity. Determine the maximum velocity to which water can be accelerated by the nozzles before striking the turbine blades.
A curling stone, with a mass of 20.0 kg, slides across the ice at 1.50 m/s. It collides head on with a stationary 0.160-kg hockey puck. After the collision, the puck's speed is 2.50 m/s. What is the stone's final velocity?
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The structure of a house is such that it loses heat at a rate of 5400 kJ/h per degree Celcius difference between the indoors and outdoors. A heat pump that requires a power input of 6 kW is used to maintain this house at 21 degrees Celsius.
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