Question

A 170 kg rocket is moving radially outward from the earth at an altitude of 180 km above the surface with a velocity of 3.5 km/sec. At this point, its final stage engine shuts off.

1)

Ignoring any minor air resistance, what is the rocket's velocity 780 km above the surface of the earth?";

m/sec

2)

Again ignoring any minor air resistance, what is the rocket's velocity 780 km above the surface of the earth if its mass were 340 kg?

m/sec

3)

What is the maximum height of the rocket above the earth's surface (using the initial rocket mass of $

m

Answer 1

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