Which flow diagram BEST explains the energy transformations that occur within an automobile running on diesel?

A) chemical energy → kinetic energy→ heat energy
B) heat energy → kinetic energy → chemical energy
C) kinetic energy → mechanical energy → heat energy
D) mechanical energy → heat energy → chemical energy

Several students in the group made comments to the coach about the back pack. which student has the correct analysis of the forces and motion of the back pack?

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

Ablue car pulls away from a red stop-light just after it has turned green with a constant acceleration of 0.5 m/s 2 . a green car arrives at the position of the stop-light 6.5 s after the light had turned green. if t = 0 when the light turns green, at what time does the green car catch the blue car if the green car maintains the slowest constant speed necessary to catch up to the blue car? answer in units of s.