Struggling with figuring out how to calculate dissipated mechanical energy/ kinetic energy! Especially KEc and Vc, can't figure out how to calculate them properly.

At location A, a 44.0kg sledder has a height of 36.0 m above the bottom of the hill and a speed of 22.0 m/s. While coasting to location B at a height of 18.0 m, 1040 J of mechanical energy are dissipated. Another 1620 J of mechanical energy are dissipated while moving from location B to C. Determine the missing potential energy (PE) and kinetic energy (KE) values for locations A, B, and C and calculate the speed at C. Use 9 = 10.0 leg. Tap on an energy box to enter or edit its value. PE: = 7920 J KEa = For best results, avoid early rounding. Enter answers to at least 3 signicant digits. m Color-Coding Key: Check Answers To Main Menu Not checked Correct