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Re: More friction questions
Work with just the variables and see that weight makes no difference in acceleration:
Ff=uFn
Fn=9.8m
Ff=9.8um
Fnet=ma
Ignoring air resistance, Ff=Fnet
Ff=ma=9.8um
9.8u=a
u=.05
a~.5 m/s/s, no matter the mass of the bot.
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