Karen drops a 2.0 kg rock from the top of a mountain. determine the distance the rock travels after falling for 3 seconds assuming it has repacked free fall and given the gradation always acceleration of 9.8 m/s^2 downward.

The motion of the rock is a free-fall motion, which is a uniformly accelerated motion with constant acceleration downward, so the distance covered by the rock in a time t can be found by using the formula

By substituting t=3 s into the formula, we find the distance the rock travels after falling for 3 seconds:

false

explanation:

boats, things on boats luggage are way more heavy then water.

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.