A40.0 kg boy jumps on a 4.75 kg pogo stick with spring constant 3650 n/m. (a) find the angular frequency.
(b) find the frequency.
(c) find the period of the boy's motion.

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation 2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!