Physics, 17.08.2019 18:10 Shelleycarousel
The heating element of a water heater in an apartment building has a maximum power output of 37 kw. four residents of the building take showers at the same time, and each receives heated water at a volume flow rate of 11x10-5 m3/s. if the water going into the heater has a temperature of 14°c, what is the maximum possible temperature of the hot water that each showering resident receives
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Physics, 23.06.2019 00:30
Which of the following are forms of phase changes a. freezing b. condensation c. heating d. exchanging
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Physics, 23.06.2019 03:30
One soccer player (a) is moving at 4 km/h when she kicks the ball while another soccer player (b) is moving at 8 km/h. what statement accurately compares their kinetic energy if they have the same mass? a) both soccer players have the same kinetic energy. b) player b has twice the kinetic energy of player a. c) player b has four times the kinetic energy of player a. d) their kinetic energy can't be compared without knowing their mass.
Answers: 1
Physics, 23.06.2019 05:00
Diego is trying to lift a piano to the second floor of his house. diego uses a pulley system and gives a big lift to the piano.the piano moves upward, then stops, and then it starts to fall to the ground. which list best describes the forces on the piano in the proper order? positive force → balanced force → negative force negative force → balanced force → positive force positive force → unbalanced force → negative force negative force → unbalanced force → positive force
Answers: 1
Physics, 23.06.2019 05:00
The inverse square law applies to: intensity of sound gravitational force intensity of light electric force magnetic force
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The heating element of a water heater in an apartment building has a maximum power output of 37 kw....
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