Answers

2015-08-29T17:02:20+05:30
A)angular speed
ω=v/r
=25/250=0.1rad/s

b)centripetal acceleration
a=v²/r
  =0.1×25
  =2.5m/s²

c)centripetal force
F=mv²/r=2.5×200
  =500N
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