A car is moving with speed 30 m/sec on a circular path of radius 500 m. Its speed is increasing at the
of 2 m/sec? What is the acceleration of the car at that moment?
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V= 30m/s
R = 500m
ac =V²/R
=30²/500
=900/500
=9/5 = 1.8
ac= 1.8m/s²
at[increasing rate] = 2
a=√at+ac
=√2² + 1.8²
=√4 + 3.24
=√7.24
=2.691
a = 2.7
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