If i jump of a 20 story building and dropped a iphone playing music, would i hit the floor first or the phone? and would i hear the music with falling?

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

Work = force × a. work b. energy c. distance d. momentum

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?