Physics, 14.04.2020 18:20 matthewlucas8499
Calculate the minimum average power output necessary for a person to run up a long hillside, which is inclined at 25.0Ā° above the horizontal, in 3.00 s. You can neglect the person's kinetic energy. Express your answer in horsepower. (1 hp = 746 W)
Answers: 2
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An alien spaceship is 500 m above the ground and moving at a constant velocity of 150 m/s upwards. how high above the ground is the ship after 5 seconds?
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Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.
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Physics, 22.06.2019 18:00
The protons in a nucleus are approximately 2 ā 10^ā15 m apart. consider the case where the protons are a distance d = 1.93 ā 10^ā15 m apart. calculate the magnitude of the electric force (in n) between two protons at this distance.
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Calculate the minimum average power output necessary for a person to run up a long hillside, which i...
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