2 Infer Caffeine is addictive, which means
that the body can
become physically
dependent on the
drug. Which body
system do you think
would be most involved in an
addiction? Explain your answer.
r

An implanted pacemaker supplies the heart with 72 pulses per minute, each pulse providing 6.0 v for 0.65 ms. the resistance of the heart muscle between the pacemaker’s electrodes is 550 ω. find (a) the current that flows during a pulse, (b) the energy delivered in one pulse, and (c) the average power supplied by the pacemaker.

What happens when a rubber rod is rubbed with a piece of fur?

Agust of wind pushes a beach ball with a force of 9 newtons.the ball rolls 10 meters in 3 seconds. what is the power of the wind?