College
posted by John .
A bod of 10kg is traveling in straight line at 10m/s (a)what is de momentum?(b)what is de average force required to increase its velocity 4rom zero to 20m/s in 4seconds?

College 
Steve
p = mv = 10 * 10 = 100
a = ∆v/∆t = (200)/4 = 5
F = ma = 10*5 = 50
When you are only given a few pieces of data, your formulas will be relatively simple.
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