A particle completes a semi
circular path of radius 10M in
10s. Find the ratio of speed to
linear velocity
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Answer:
Speed = distance/ time
= perimeter of semicircle/ time
= pi*R + 2R/ time
= 10( pi + 2)/ 10
= 10 ( 3.14+ 2)/ 10
= 5.14 m/s
Velocity= displacement/ time
= shortest distance across two points/ time
= 2R/ time
= 20/ 10
= 2 m/s
Therefore ratio= 5.14/2= 2.57
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