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Sahay Sir > Question Answers > NCERT Exemplar Class 11 > Physics > Chapter 5 - Work, Energy and Power > A raindrop of mass 1.00 g falling from a height of 1 km hits the ground with a speed of 50 m s^–1. Calculate (a) the loss of P.E. of the drop. (b) the gain in K.E. of the drop. (c) Is the gain in K.E. equal to loss of P.E.? If not why. Take g = 10 m s^2

A raindrop of mass 1.00 g falling from a height of 1 km hits the ground with a speed of 50 m s^–1. Calculate (a) the loss of P.E. of the drop. (b) the gain in K.E. of the drop. (c) Is the gain in K.E. equal to loss of P.E.? If not why. Take g = 10 m s^2

one gradual and the other steep meet at A from where two stones are allowed to slide down from rest one on each tracks as shown in figure. Which of the following statements is correct? Two inclined frictionless tracks