URGENT 8) Two blocks, each of mass m, are attached to the ends of a massless rod which pivots as shown in Fig. 8-40.
Initially the rod is held in the horizontal position and then released. Calculate the magnitude and direction of
the net torque on this system.

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The boat's velocity relative to the riverbank can be resolved into two components. the component going north is 2.7 m/s and the component going west is 1.2 m/s.we add these two vectors and then find the magnitude of the resultant to get the speed.the magnitude of the resultant vector from adding can be obtained by the pythagorean theorem.    to two significant figures, the boat's speed relative to the riverbank is 3.0 m/s.

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