What is antelope speed at the first point

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Q. An antelope moving with constant acceleration covers the distance between two points 70.0 m apart in 7.00 s. Its speed as it passes the second point is 15.0 m/s. (a) What is its speed at the first point? (b) What is its acceleration?

Q. A freight car with a mass of 2500 kg rolls down an inclined track through a vertical distance of 1.5 m. at the bottom of the incline, on a level track, the car collides and couples with an identical freight car that was at rest. What percentage of the initial kinetic energy is lost in the collision?

Reference no: EM1347079

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