A student wants to demonstrate entropy using the songs on her portable music player. What should she do to demonstrate the lowest entropy?
• A. Play only the classical songs on shuffle.
• B. Play all the songs in alphabetical order.
•
C. Play a single song by a single artist.
• D. Play all the songs on shuffle.
SUBMIT

A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

How do you tell if someone actually cares about you? and just say they do?