Araindrop 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 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 "ms"^(-2) .
The bob of a simple pendulum (mass m and length l ) dropped from a horizontal position strikes a block of the same mass elastically placed on a horizontal frictionless table. The K.E. of the block will be
Kya Bihar Board Aasan Hai?
Kya aapko pata hai Flamingo bird ka color Pink ya Orange kyun hota hai?