George does 62 joules of work to lift a 2.0 kg box at a constant speed. If he drops it, how fast will the box be going when it hits the ground? 31 m/s

7.9 m/s

62 m/s

11 m/s

5.6 m/s

Identify the arrows that show the correct direction of heat transfer. 66°f 112°f 98°f

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?

To solve a problem using the equation for kepler ‘s third law , enrico must convert the average distance of mars from the sun from meters into astronomical units . how should he make the conversion ?