A war-wolf or trebuchet is a device used duringthe Middle Ages to throw rocks at castles and now sometimes used tofling large vegetables and pianos as a sport. A simple trebuchet isshown in the figure. Model it as a stiff rod of negligible mass,2.70 m long, joining particles of mass56.5 kg and 0.130 kg at its ends. It can turn on africtionless, horizontal axle perpendicular to the rod and13.0 cm from the large-mass particle.The rod is released from rest in a horizontal orientation.
(a) Find the maximum speed that the 0.130 kg object attains.

(b) Select the statements that are true.

The trebuchet-Earth systemhas constant mechanical energy.


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