Physics, 06.05.2021 21:10 HotWheels162000
A crane lifts 50kg concrete to a height of 20 meter 5 sec. Assume f=90m/s what is the Potential Energy ​
Answers: 3
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At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
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Which body is in equilibrium? (1) a satellite orbiting earth in a circular orbit (2) a ball falling freely toward the surface of earth (3) a car moving with a constant speed along a straight, level road (4) a projectile at the highest point in its trajectory
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Determine the net charge of the predominant form of arg at (a) ph 1.0, (b) ph 5.0, (c) ph 10.5, and (d) ph 13.5
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A crane lifts 50kg concrete to a height of 20 meter 5 sec. Assume f=90m/s what is the Potential Ener...
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