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A small mailbag is released from a helicopter that is descending steadily at 1.75 m/s.
(a) After 5.00 s, what is the speed of the mailbag?
(b) How far is it below the helicopter?
d = ___m
(c) What are your answers to parts (a) and (b) if the helicopter is rising steadily at 1.75 m/s?
v = _____ m/s d = ______ m
two blocks, each of mass m=2.80kg are hung from the ceiling of an elevator. If the elevator moves with an upward acceleration a of magnitude 1.9m/s^2, find the tensions T1 and T2 in the upper and lower strings
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Legend has it that, many centuries ago, Archimedes jumped out of his bathtub and ran across town naked screaming "Eureka!" after he solved an especially difficult problem.
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An exhaust tube from a steam generator is submerged in a large container of cool water. what is the change of entropy (in J/deg) of the steam
You wish to design a velocity selector that will allow protons to pass through only if they have a speed of 500 m/s, You decide to produce this electric field using a parallel-plate capacitor with a plate spacing of 1.0 mm. What is the electric pote..
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