Physics, 22.04.2020 21:32 desiiraee6265
If you exert a force of 600 N to walk 4 meters up a flight of stairs in 5 seconds, how much power did you use? W = F x D and P = W/T
A - 180 watts
B - 280 watts
C - 380 watts
D - 480 watts
Answers: 2
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Carbon-14 is a radioactive element that undergoes beta decay. which force is responsible for allowing carbon-14 to become stable? electromagnetic gravitational weak nuclear strong nuclear
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Two kilograms of air within a piston–cylinder assembly executes a carnot power cycle with maximum and minimum temperatures of 800 k and 300 k, respectively. the heat transfer to the air during the isothermal expansion is 60 kj. at the end of the isothermal expansion the volume is 0.4 m3. assume the ideal gas model for the air. determine the thermal efficiency, the volume at the beginning of the isothermal expansion, in m3, and the work during the adiabatic expansion, in kj.
Answers: 1
If you exert a force of 600 N to walk 4 meters up a flight of stairs in 5 seconds, how much power di...
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