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- A lift carries a maximum weight of 2400 N to a height of 10 m with constant speed of 2 m/s. Find out the power and work done.
- A weight lifter a load of 200 kgf to a height of 2.5 m in 5 s. Calculate: (i) the work done, and (ii) the
- Find the work done in bringing a charge q from perpendicular distance r1 to r2 (r2 > r1).
- Find out the amount of the work done to separate the charges at infinite distance.
- The gravitational field in a region is given by (vector)E = (2i + 3j) N/kg. Find the work done by the gravitational

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