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Solution: An ingenious bricklayer builds a device for shooting bricks up to the top of the wall where he is working. He places a brick on a vertical compressed spring with force constant
k = 450 N/m
and negligible mass. When the spring is released, the brick is propelled upward.If the brick has mass 1.80 kg
and is to reach a maximum height of 3.6 m
above its initial position on the compressed spring, what distance must the bricklayer compress the spring initially?
Problem
An ingenious bricklayer builds a device for shooting bricks up to the top of the wall where he is working. He places a brick on a vertical compressed spring with force constant
k = 450 N/m
and negligible mass. When the spring is released, the brick is propelled upward.
If the brick has mass 1.80 kg
and is to reach a maximum height of 3.6 m
above its initial position on the compressed spring, what distance must the bricklayer compress the spring initially?