As shown in the diagram, an inflated balloon released from rest moves horizontally
with velocity (v). The velocity of the balloon is most likely caused by
Balloon
O rolling friction
O gravitational attraction
O centripetal force
O action-reaction

1) when you rub your hands together quickly, the kinetic energy is converted to mechanical energy.2) thermal energy from the sun travels to earth as infrared waves.3) energy is transferred through the matter of space by electromagnetic waves. 4) when a match is burned, chemical potential energy is converted to thermal and radiant energy. 5) seismicwaves are caused by back and forth movement , or vibration, of an object. 6) mechanicalenergy in an engine changes thermal energy into kinetic energy to make a car move.

Fitness is the ability to perform only very light levels of physical activity.

Answer(b) 60 miles per hour;