A sled is moving at a constant speed down a surface inclined at 45 degrees with the horizontal and travels 30meter in 4 seconds. calculate the vertical velocity of the self at the end of 4 seconds

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05-02-2017
Physics

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A sled is moving at a constant speed down a surface inclined at 45 degrees with the horizontal and travels 30meter in 4 seconds. calculate the vertical velocity of the self at the end of 4 seconds

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Edufirst Edufirst · Answer 1 · 2017-02-10T14:54:00-05:00

Edufirst Edufirst

10-02-2017

Constant speed along the inclined surface = 30 m / 4 s = 7.5 m/s

Vertical speed = inclined speed sin(45) = 7.5 √2 / 2 = 5.3 m/s

Answer: 5.3 m/s

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