Physics, 04.09.2019 16:20 lhotsedog96
A75.0kg person stands on a scale in an elevator. what does the scale read (in kg) when the elevator is (a) at rest, (b) ascending at a constant speed of 3.0m/s, (c) falling at 3.0m/s, (d) accelerating upward at 3.0m/s2 , (d) accelerating downward at 3.0m/s2 .
Answers: 1
Physics, 21.06.2019 15:50
Ahollow metal sphere has 6 cm and 11 cm inner and outer radii, respectively. the surface charge density on the inside surface is −100nc/m2. the surface charge density on the exterior surface is:
Answers: 1
Physics, 22.06.2019 00:50
Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 10.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.90 m/s; (b) he is then lifted at the constant speed of 4.90 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 68.0 kg rescue by the force lifting him during each stage?
Answers: 1
Physics, 22.06.2019 06:00
Why don't you see your reflection in water with waves or repples
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Physics, 22.06.2019 18:00
By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?
Answers: 1
A75.0kg person stands on a scale in an elevator. what does the scale read (in kg) when the elevator...
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