What is speed at the first point

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Q. An antelope moving with constant acceleration covers a distance between two points that are 80.00m apart in 7s. Its speed as it passes the second point is 15m/s.

a) what is speed at the first point?

b) What is the acceleration?

Q. A 56 kg astronaut floating at rest in space outside a space capsule throws his 0.50kg hammer such that it moves with the speed of 14.00 m/s relative to the capsule. What happens to the astronaut? What is the astronaut's speed?

Reference no: EM1372500

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