Sam, whose mass is 75kg , takes off across level snow on his
jet-powered skis. The...
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Physics
Sam, whose mass is 75kg , takes off across level snow on hisjet-powered skis. The skis have a thrust of 220N and a coefficientof kinetic friction on snow of 0.1. Unfortunately, the skis run outof fuel after only 11s .
a) what is Sam's top speed?
b) How far has Sam traveled when he finally coasts to astop?
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4.2 Ratings (660 Votes)
for the first ten seconds the net force acting on sam is 220N force of friction the force of friciton u mg where u is the coefficient of friction so the net force is 220 01x75kgx98mss
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