Question

I'm struggling with a practice problem and can't seem to get to a reasonable answer. See below please:

A person sprints 100m starting from rest, and then leaps on to a 20kg sled. They slide down a 50m frictionless slope, of exactly 20 degrees and into a spring with a constant of exactly 2000 N/m.

If a person with a mass of 40k reaches 12 m/s in the approach to the sled, compute the following:

How far with the person compress the spring?

Is it necessary to have such exact measures for the shape and angle of the ramp? What factors about the ramp ARE important?

Answer 1

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