What speed does he require at the bottom

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Reference no: EM138449

Q1. A sled and rider with a combined weight of 68 kg are at rest on the top of a hill 28 m high. What is their total energy at the top of hill?

Q2. A 55.0 skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is one-quarter of the circle with a radius of 3.80. What speed does he require at the bottom?

Q3. What is the tangential acceleration of a bug on the rim of a 13.0-in.-diameter disk if the disk accelerates uniformly from rest to the angular speed of 77.0 rev/min in 3.40 s?

Reference no: EM138449

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