A 1kg ball is 10-m above a table when it is dropped . it bounces to a height of 7 m. A) how much energy is transferred to a heat and sound during a bounce? B) explain why this ball cannot bounce to a height of 12-m if it is dropped. C) what could you do to make the ball bounce to a height of 12-m?

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.

Newtons view of arrangement of the universe

Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. which of the following best describes how such a telephone is able to transmit and receive information? a. the cellular telephone transmits, receives, and encodes information using only sound waves. b. the cellular telephone transmits, receives, and encodes information using only electromagnetic waves. c. the cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound. d. the cellular telephone transmits information by sound waves to a receiver which then encodes them and produces electromagnetic waves.