Physics, 07.10.2019 22:10 dmaxbexkham
Two blocks are connected by a massless cable which goes through the center of a rotating turntable. the blocks have masses m1 = 1.2 kg and m2 = 2.8 kg. block 1 rests a distance r = 0.45 m from the center of the turntable. the coefficient of static friction between block and turntable is μs = 0.54. block 2 hangs vertically underneath.
Answers: 3
Physics, 22.06.2019 09:00
Inside of a windmill or a dam is a that is used to transform one type of energy into electrical energy. a. motor b. generator c. transformer d. power pack
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Physics, 22.06.2019 12:00
If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?
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Physics, 22.06.2019 15:30
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.
Answers: 1
Physics, 22.06.2019 23:00
The average time that it takes for the car to travel the first 0.25m is s. the average time to travel just between 0.25 m and 0.50 m is s. given the time taken to travel the second 0.25 m section, the velocity would be m/s.
Answers: 1
Two blocks are connected by a massless cable which goes through the center of a rotating turntable....
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