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# Problem: A sled is initially given a shove up a frictionless 23.0° incline. It reaches a maximum vertical height 1.27 m { m { m m}}higher than where it started. What was its initial speed?

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A sled is initially given a shove up a frictionless 23.0° incline. It reaches a maximum vertical height 1.27 m higher than where it started. What was its initial speed?

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Based on our data, we think this problem is relevant for Professor Sutherland's class at USC.