Juggles and Bangles are clowns. Juggles stands on one end of a teeter-totter at
ID: 1540169 • Letter: J
Question
Juggles and Bangles are clowns. Juggles stands on one end of a teeter-totter at rest on the ground. Bangles jumps off a platform 3.0 m above the ground and lands on the other end of the teeter-totter, launching Juggles into the air. Juggles rises to a height of 2.6 m above the ground, at which point he has the same amount of gravitational potential energy as Bangles had before he jumped, assuming both potential energies are measured using the ground as the reference level. Bangles' mass is 89 kg. What is Juggles' mass?
Explanation / Answer
potential energy of Juggles = potential energy of Bangles
MJ*g*hJ = MB*g*hB
MJ*hJ = MB*hB
MJ*2.6 = 89*3
MJ = 102.7 kg <<<<-------answer
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