Physics, 17.12.2020 23:00 YariDelOrbeez115
What is the kinetic energy of a 620.0 kg roller coaster moving with a velocity of 9.00 m/s? Round to 3 significant figures.
2,790 J
5,580 J
25,100 J
50,200 J
Answers: 1
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Simple machines can a. increase force only b. decrease force only c. increase or decrease force
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Why is it important always to use horizontal bars in unit fractions when performing unit conversions?
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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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What is the kinetic energy of a 620.0 kg roller coaster moving with a velocity of 9.00 m/s? Round to...
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