Question

A 10.9 kg weather rocket generates a thrust of 240 N . The rocket, pointing upward, is clamped to the top of a vertical spring. The bottom of the spring, whose spring constant is 600 N/m , is anchored to the ground.

After the engine is ignited, what is the rocket's speed when the spring has stretched 37.0 cm ?

For comparison, what would be the rocket's speed after traveling this distance if it weren't attached to the spring?

Answer 1