What is block speed when it gets back to the bottom

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Q. A block is projected up a frictionless inclined plane with initial speed v0 = 9.04 m/s. The angle of incline is θ = 49.0°. (a) How far up the plane does it go? (b) How long does it take to get there? (c) What is its speed when it gets back to the bottom?

Q. The fastest pitched baseball was clocked at 46 m/s. If the pitcher exerted his force (assumed to be horizontal and constant) over a distance of 1.0 m, and a baseball has a mass of 145 g.

Reference no: EM1360883

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