Idrop a penny from the top of the tower and it takes 1.85 seconds to hit the ground. what is the velocity in m/s

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

How do we measure or think of speed in the united states?

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?