# 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.

1. 👍 0
2. 👎 0
3. 👁 444
1. speed=distance/time=7.5m/s

at the end, vertical veloicty=7.5 cos45

1. 👍 0
2. 👎 0

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