Homework Help: Physical Science

Posted by Jessica on Wednesday, February 1, 2012 at 1:19pm.

A bicycle and its rider together have a mass of 80 kg. If the bicycle's speed is 6m/s, how much force is needed to bring it to a stop in 4 seconds

Physical Science - bobpursley, Wednesday, February 1, 2012 at 1:21pm
a= F/masstotal

vf=Vi+at
0=6+F/80 * 4

solve for F.

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