Physics, 27.02.2021 01:30 megnik0714
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A ball is kicked at an angle with negligible air resistance as seen below.
P
.
What is the direction of the horizontal acceleration at point P?
Choose 1
No horizontal acceleration
Left
Right
Answers: 1
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The air that we breath is made mostly of which gaseous molecule
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Answers: 1
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Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.
Answers: 2
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The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656(red) and 486 (blue). light from a hydrogen lamp illuminates a diffraction grating with 500 lines per mm, and the light is observed on a screen 1.50 behind the grating. what is the distance between the first-order red and blue fringes?
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Please help I give good points
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