Work, Energy and Power

Related Questions

• If the water falls from a dam into a turbine wheel 19.6 m below, then the velocity of water at the turbine is $(g = 9.8\,m/{s^2})$

  ---

• A particle moves under the effect of a force F = Cx from x = 0 to $x = {x_1}$. The work done in the process is

  ---

• A body of mass m is at rest. Another body of same mass moving with velocity V makes head on elastic collision with the first body. After collision the first body starts to move with velocity

  ---

• A spring of force constant 10 N/m has an initial stretch 0.20 m. In changing the stretch to 0.25 m, the increase in potential energy is about

  ---

• An object of mass 3m splits into three equal fragments. Two fragments have velocities $v\hat j$ and $v\hat i$. The velocity of the third fragment is

  ---