False
radiation doesn't need to displace matter or a medium to transfer energy
Answer:
I think they are both equal in strength but make sure from others
Answer:
First one, third one, and fourth one
Petroleum products are especially useful as sources of energy because it furnishes a convenient, concentrated source of energy.
Answer: the displacement is 0
Explanation:
Displacement is defined as the difference between the final position and the initial position.
now, one time period is defined as the time that the pendulum needs to do a full cicle (so after one time period, the position of the pendulum returns to the same place) this means that the final position and the initial position is the same, then the displacement is 0.