The acceleration of a runner who accelerates from 0 m/s to 3 m/s in 12s

Gymnast always perform on padded mats. how does the mats protect the gymnast

Which characteristics can be used to differentiate star systems? check all that apply.

A20 liter cylinder of helium at a pressure of 150 atm and a temperature of 27°c is used to fill a balloon at 1.00 atm and 37°c. what is the volume of the balloon? a. 0.14 liters b. 3000 liters c. 2900 liters d. 2400 liters e. 3100 liters