A particle of mass m initially moving with speed v.A force acts on the particle f=kx where x is the distance travelled by the particle and k is constant. Find the speed of the particle when the work done by the force equals W.A. `sqrt((k)/(m)+v^(2))`B. `sqrt((2W)/(m)+v^(2))`C. `sqrt((2W)/(k)+v^(2))`D. `sqrt((W)/(2m)+v^(2))`

A particle of mass m initially moving with speed v.A force acts on the

1.	A particle of mass m initially moving with speed v.A force acts on the particle f=kx where x is the distance travelled by the particle and k is constant. Find the speed of the particle when the work done by the force equals W.A. `sqrt((k)/(m)+v^(2))`B. `sqrt((2W)/(m)+v^(2))`C. `sqrt((2W)/(k)+v^(2))`D. `sqrt((W)/(2m)+v^(2))`
Answer» Correct Answer - B

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