Mass 0.5 kg ball dropped from a height of 30 meters, making window edges the ball OK in the vertical speed is zero. Over time, 2 seconds, the ball will have a kinetic energy Ki-
Balls 0.5 kg mass is released from the window sill height of 30 meters, the ball fell vertically, with the initial velocity is zero. Over time, two seconds, a ball is a few joules of kinetic energy.
The mass 0.5 kg was released from the high windows 30 meters. Let the ball fall in vertical with initial velocity is zero. When the time 2 seconds. This ball is kinetic energy how many joules.