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Q) In the figure, a stone is projected at a cliff of height h with an initial speed of 46.0 m/s directed at an angle θ° = 50.0° above the horizontal. The stone strikes at A, 5.40 s after launching.
Find
(a) the height h of the cliff,
(b) the speed of the stone just before impact at A, and
( c) the maximum height H reached above the ground.
A spacecraft approaching the earth launches an exploration vehicle. After the launch, an observer on earth sees the spacecraft approaching at a speed of 0.50c and the exploration vehicle approaching at a speed of 0.75c. What is the speed of the explo..
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The mass of the nuclide 16/8 O is 15.994 915 u. Determine its average binding energy per nucleon
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for all problems of this assignment consider nuclear power plant npp with pressurized water reactor pwr. reactor have
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