What is the best energy source of electricity

The air in a car tire la compressed when the car rolls over a rock. If the air outside the tire becomes slightly warmer, what are the correct signs of heat and work for this change?

A (n) 0.394 kg soccer ball approaches a player horizontally with a speed of 12.7 m/s. the player illegally strikes the ball with her hand and causes it to move in the opposite direction with a speed of 24.4 m/s.

Can prokaryotes have more than one cell

Why do you think the term "minority" has persisted when the word "subornate" is more descriptive?

Hypothesize what might occur when a positive charged magnet is placed next to a negative charged magnet. What might happen when a positive charge is placed next to a neutral charge?

Suppose gene A on the left chromosome is damaged and no longer functions. what form of the trait would show? Why?

I'm completely lost in physics, the Kinematics and dynamics units ... My exam is coming up ... If a biker travelling at 6.4m/s sees biker B 34m ahead on the road travelling 4.7m/s. How far will biker B get before biker A catches him?

When scientists record the volume of a gas, why do they also record the temperature and the pressure

Why is velocity most important in space launch?

A person walks up a stalled escalator in 25 s. When standing on the same escalator, now moving, she is carried up in 16 s. How much time in seconds would it take her to walk up the moving escalator?