Physics, 18.12.2019 02:31 parmer6527p810bw
Which of the following is/are the best example(s) of elastic collision(s)? explain why you chose your answer(s).
(a) a collision between two billiard balls.
(b) a collision between two automobiles.
(c) a basketball bouncing off the floor.
(d) an egg colliding with a brick wall.
Answers: 3
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Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.
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Air is to be preheated by hot exhaust gases in a cross-flow heat exchanger before it enters the furnace. air enters the heat exchanger at 95 kpa and 20°c at a rate of 0.6 m^3/s. the combustion gases (cp = 1.10 kj/kg°c) enter at 160°c at a rate of 0.95 kg/s and leave at 95°c. determine the rate of heat transfer to the air and its outlet temperature.
Answers: 2
Physics, 22.06.2019 18:30
How many meters will a car travel if its speed is 45 m/s in an interval of 11 seconds? question 2 options: a) 450 meters b) 495 meters c) 4.09 meters d) 498 meters
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Physics, 22.06.2019 22:30
Find v1, the speed of the fluid in the left end of the main pipe. express your answer in terms of h1, h2, g, and either a1 and a2 or γ, which is equal to a1a2.
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Which of the following is/are the best example(s) of elastic collision(s)? explain why you chose yo...
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