Physics, 29.10.2021 14:00 ricardotavarez6
3. Some surfboards weigh more than others. How does a
board's weight affect the amount of force needed to get it
moving?
Answers: 3
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Adding more pulleys to a system of pulleys needed to lift an object. a. increases the force b. decreases the force c. increases the amount of work d. decreases the amount of work
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Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.
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Physics, 22.06.2019 09:00
In the first law of thermodynamics, triangle e=q-w, what does q stand for
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Physics, 22.06.2019 11:30
Water is siphoned from a large tank and discharges into the atmosphere through a 50-mm diameter tube. the end of the tube is b = 2.1 m below the tank bottom which is a = 7.4 m deep, and viscous effects are negligible. determine the maximum height h over which the water can be siphoned without cavitation occurring. atmospheric pressure is 101.4 kpa, and the water vapor pressure is 1.79 kpa (absolute)
Answers: 3
3. Some surfboards weigh more than others. How does a
board's weight affect the amount of force ne...
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