Question

A 110 kg astronaut (including space suit) acquires a speed of 2.35 m/s by pushing off...

A 110 kg astronaut (including space suit) acquires a speed of 2.35 m/s by pushing off with his legs from a 2000 kg space capsule.

(a)

What is the change in speed of the space capsule?

Express your answer with the appropriate units.

(b)

If the push lasts ttt = 0.525 ss , what is the average force exerted by each on the other? As the reference frame, use the position of the capsule before the push.

Express your answer with the appropriate units.

(c)

What is the kinetic energy of the astronaut after the push?

Express your answer with the appropriate units.

(d)

What is the kinetic energy of the space capsule after the push?

Express your answer with the appropriate units.

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