## Question

###### You find very tall tree one day and decide to measure the height of the tree using pendulum You tie small rock to rope that is also tied to branch at the top of the tree So thal When the rope is vertical the rock is very close to the ground. You then release the rock from rest at an initial angle of 59. You measure the velocity of the rock when it returns t0 equilibrium to be 1,5 mls_ How tall is the tree?

You find very tall tree one day and decide to measure the height of the tree using pendulum You tie small rock to rope that is also tied to branch at the top of the tree So thal When the rope is vertical the rock is very close to the ground. You then release the rock from rest at an initial angle of 59. You measure the velocity of the rock when it returns t0 equilibrium to be 1,5 mls_ How tall is the tree?

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