Tyra J

If you do 60-0 J of work hoistig a 2kg bale of hay, to what height did you lift it?

A 250.0 kg roller coaster car has 20,000 J of potential energy at the top of the hill. Neglecting frictional losses, what is the velocity of the car at the bottom of thee hill? A.) 9.8 m/s B). 12.6 m/s C). 14.1 m/s D). 8.9 m/s

If you roll a 5.0 kg bowling ball down the alley at 10.0 m/s, how much work did you do on the ball? a). 250 J b). 490 J c). 2500 J

A flower pot falls off a window ledge 10.0 m above the ground. Its velocity as it hits the ground is?