physics

A sled is moving at a constant speed down a surface inclined at 45.0° with the horizontal and travels 30 meters in 4 seconds. Calculate the vertical velocity of the sled at the end of 4 seconds.

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  1. it is moving at constant speed. that speed is 30m/4sec=7.5m/s
    its final speed, still constant, is 7.5m/s.

    This is a very odd question.

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