Physics, 06.07.2019 06:50 floihqrrigweo
Abaseball has a mass of 140 grams and a softball has a mass of 280 grams. in which of the following situations would they both have the same momentum? the baseball and softball are thrown at 33 m/s in the same direction. the baseball and softball are thrown at 33 m/s in opposite directions. the baseball is thrown at 25 m/s and the softball is thrown at 50 m/s. the baseball is thrown at 50 m/s and the softball is thrown at 25 m/s.
Answers: 1
Physics, 21.06.2019 23:40
Aregular polygon has angkes of size 150° each.how many side has the polygon
Answers: 1
Physics, 22.06.2019 06:30
Air initially at 0.75 bar, 1000 k, and occupying a volume of 0.12 m^3 undergoes two processes. process 1-2: the air is compressed isothermally until the volume is halved. process 2-3: the air undergoes a constant pressure process until the volume is halved again. assume ideal gas behavior. a) determine the mass of the air, in kg. b) the work and the heat transfer for each of the two processes, in kj. (100 kj = 1 bar . m^3)
Answers: 1
Physics, 22.06.2019 12:30
An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.
Answers: 2
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
Abaseball has a mass of 140 grams and a softball has a mass of 280 grams. in which of the following...
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