Physics, 20.09.2020 07:01 barnhill6515
Work out the strength of the extra force which would need to be added in order to achieve equilibrium (zero resultant force).
Answers: 1
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Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.
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Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?
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Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?
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Work out the strength of the extra force which would need to be added in order to
achieve equilibri...
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