Physics, 18.03.2021 01:10 reneecoutinho10
A force of 2.4 N is exerted through a distance of 50.0 cm on rope in a pulley system to lift a 0.49-kg mass 20.0 cm. Calculate the following. A. The MA B. The IMA C. The efficiency
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Physics, 22.06.2019 11:30
4. a 75.0 g piece of ag metal is heated to and dropped into 50.0 g of water at the final temperature of the mixture is what is the specific heat capacity of silver? 5. a 465 g chunk of iron is removed from petrucci, ralph h.. general chemistry (p. 290). pearson education. kindle edition.
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Physics, 22.06.2019 14:30
Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules
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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 17:30
Heterogeneous mixture with larger particles that never settle is
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A force of 2.4 N is exerted through a distance of 50.0 cm on rope in a pulley system to lift a 0.49-...
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