2. A m Ck is thrown vertically upwards at 67 111/3. Find the height at which the m Ck is go i11g 23 111/3 [down]. SOLVE USING KINETIC Ex POTENTML ENERGY PLEASE Assume no air resistance. 3. An 80.0 kg student running at 3 .5 1115s J'UIVIPS up 2m into the air and grabs a rope that is hanging vertically up 2111 from the ground. [ignore his height and assume his center of gravity is where he is holding the rope). How high 'on] the ground will the student swing? SOLVE USING ENERGY PLEASE.r Assume no air resistance. 20 m 1"