Physics, 21.08.2019 11:30 lukerothbacher
An athlete of mass 70.0 kg applies a force of 500 n to a 30.0 kg luge, which is initially at rest, over a period of 5.00 s before jumping onto the luge. assuming there is no friction between the luge and the track on which it runs, what is its velocity after the athlete jumps on?
Answers: 1
Physics, 21.06.2019 20:30
Air enters a compressor operating at steady state at 1.05 bar, 300 k, with a volumetric flow rate of 93 m3/min and exits at 12 bar, 400 k. heat transfer occurs at a rate of 15.5 kw from the compressor to its surroundings. assuming the ideal gas model for air neglecting kinetic potential energy effects, determine the power in put in kw.
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Physics, 22.06.2019 07:30
Select all of the following that are equal to an impulse of 20 unitsa) force= 5, time= 5.5b) force= 25, time= 0.8c) force= 0.1, time= 200d) force= 10, time= 2(its b, c, and d)(also in order to find answer they have to add to get the unit)ex= 25x.8=20 or .1x200=20
Answers: 1
Physics, 22.06.2019 09:00
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Physics, 23.06.2019 01:00
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An athlete of mass 70.0 kg applies a force of 500 n to a 30.0 kg luge, which is initially at rest, o...
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