Asked by Anthony

A sled is pushed along an ice covered lake. It has some initial velocity before coming to a rest in 15 m. It took 23 seconds before the sled and rider come to a rest. If the rider and sled have a combined mass of 52.5 kg, what is the magnitude and direction of the stopping force?

I'm stuck. Please help and show work.
Answered by R_scott
average velocity ... 15 m / 23 s ... initial velocity is twice that

acceleration = initial velocity / 23 s

force = mass * acceleration
Answered by Abdullah
Answer
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