Physics, 24.02.2021 04:30, anaruiz00

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Physics, 21.06.2019 16:00, huangjianhe135

28. a stone is projected at a cliff of height h with an initial speed of 42.0 mls directed at angle θ0 = 60.0° above the horizontal. the stone strikes at a, 5.50 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 grou

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Physics, 22.06.2019 10:30, SauceyNaee

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Physics, 22.06.2019 14:40, CourtGard

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Physics, 22.06.2019 17:40, yoongnzl

Aspring is used to stop a 50-kg package which is moving down a 20º incline. the spring has a constant k = 30 kn/m and is held by cables so that it is initially compressed 50 mm. knowing that the velocity of the package is 2 m/s when it is 8 m from the spring and neglecting friction, determine the maximum additional deformation of the spring in bringing the package to rest.

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ÉCLAIR
degénie 5
SCIENCE ET TECHNOLOGIE
abier de savoirs...