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a) r=1m
m=200g(0.2kg)
5sec=10rev
1sec=(1x10)÷2=2rev/sec
V=2xpxrxf=2xpx1x2=12.57m/s
T=(mxvxv)÷r=(0.2x12.57x12.57)÷1=31.58N
b)f=v÷(2xpxr)=12.57÷(2xpx1)=2rev/sec
c)12.57m/s
Alambi answered the question on January 30, 2019 at 17:04
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