g Dropping a one-kilogram ball from a 3m height, vertically, the ball hits the floor with a speed of 18 m/s. If the ball rebounds with an initial speed of 8 m/s after 30 ms, calculate:

Keneila is attempting to ski down a 20 m high friction free hill for the first time. she has a speed 10 m/s at the top. what is her kinetic energy when she is a the bottom, 20 m ? (a)2500 j (b)9800 j (c)12300 j (d)3100j (e)15000j

Name the non metal condut electricity

Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?