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2. A 1 m long rod of mass m = 0.2 Kg is hinged at one end and connected to a wall. It is held out
horizontally, then released. With respect to the reference XY, whose origin is at the hinge (as
shown in the figure), calculate:
(22 points) The speed of the tip of the rod at the moment it hits the wall?
(11 points) The kinetic energy of the rod at the moment it hits the wall?
Wall
Vtip
Y
L= 1 m
X

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