So velocity of a balloon? Use V equals 2KE over. A hot air balloon with a mass of 100 kg moves across the sky with 3200 J of kinetic energy. The velocity of the balloon is blank meters/seconds

What is work? how much work is done to move an object 0 meters?

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?

Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy