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Question: the man at the window a wishes to throw the...

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The man at the window A wishes to throw the rice sack to the truck as shown in Figure 4.1. He needs to swing it from rest at B and release the cord at point C, where the angle from vertical axis is 0. Given that the mass of the sack is 30 kg and the gravitational acceleration is 9.81 m/s2, i. Sketch the free body diagram for all of the forces act on the rice sack when 0 30 ii Determine the velocity of the rice sack by using Principle of Work and Energy, when it landed in the truck at point D which is 1.5 m above the ground. Using projectile motion analysis, calculate the distance R of the rice sack when it arrived in the truck from the starting point B. iii. 8 m l6 m 1.5 m Figure 4.1 Projectile motion of the rice sack

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