Physics, 06.07.2019 03:10 cia196785920
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. people sit in seats facing the axis, their backs against the outer wall. at one instant the outer wall moves at a speed of 3.28 m/s, and an 84.4-kg person feels a 488-n force pressing against his back. what is the radius of a chamber?
Answers: 2
Physics, 21.06.2019 20:30
Water at room temperature of 20.0°c is poured into an aluminum cylinder which has graduation markings etched on the inside. the reading in the graduations is 300.0 cc. the cylinder with the water in it is then immersed in a constant temperature bath at a temperature of 100°c. what is the reading for the level of water on the graduations of the cylinder after the water and the cylinder reach thermal equilibrium with the bath? the volume coefficient of expansion of water is 2.07 x 10^-4 k-1, and the linear coefficient of expansion of aluminum is 23.0 x 10^-6 k-1. a) 305.0 cc b) 304.0 cc c) 303.5 cc d) 303.3 cc e) 304.5 cc
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Physics, 22.06.2019 14:00
Often called simply "velocity," this is the velocity of an object at a particular moment in time.
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Physics, 22.06.2019 17:30
Ethanol has a heat of vaporization of 38.56 kj/mol and a normal boiling point of 78.4 c. what is the vapor pressure of ethanol at 14 c?
Answers: 3
Physics, 22.06.2019 22:00
Ihave this 50 question test the layer of earth's atmosphere where atoms and molecules escape into space is referred to as the a) exosphere b) ionosphere. c) mesosphere d) thermosphere
Answers: 1
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central ax...
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