George of the Jungle, with mass m , swings on a light vine hanging from a statio

Question

George of the Jungle, with mass m, swings on a light vine hanging from a stationary tree branch. A second vine of equal length hangs from the same point, and a gorilla of larger mass Mswings in the opposite direction on it. Both vines are horizontal when the primates start from rest at the same moment. George and the gorilla meet at the lowest point of their swings. Each is afraid that one vine will break, so they grab each other and hang on. They swing upward together, reaching a point where the vines make an angle of 29.0° with the vertical.

tie a small magnet and steel screw to opposite ends of string, hold the center of string fixed to the represent tree branch, and re produce a model of george and gorilla, if the magnet is strong it will attracked a screw over distance a few centimeter, then the screw will move faster, does extra magnet strenth makes adifferent?

Explanation / Answer

The magnet exerts a force on the screw, this force causes acceleration on the screw then the screw will move faster before the collision, if the kinetic energy at the moment of collision is higher with the magnet, the reached height over the lowest point is also higher because this kinetic energy is transformed in potential energy

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