A helicopter is 8.50 m above the ground and climbing at 2.5m/s . It drops a package from rest ( relative to the helicopter). At the moment that the package is released, what is its velocity relative to the ground?

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

A51 kg woman skis down a hill and her kinetic energy is 9.96e4 j. what is her speed?

What explosion in the upper solar atmosphere releases about as much energy as millions of 100-megaton hydrogen bombs exploding simultaneously?