Two masses are hung from a frictionless pulley as shown. What is the acceleration of: a.) the 1.5 kg block? b.) the 2.0 kg block?
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- On a separate occasion, Michael threatened to jump from the roof of hisoffice building as a demonstration of seasonal depression. If it takes 1.2seconds for his body to plummet to the ground,a. How fast will he be going when he reaches the ground?b. How far will he have fallen in meters?c. In feet?d. If Michael weighs 185 lbs, what would his force of collision with theground be, in Newtons, if his sudden deceleration upon impact takes0.1 seconds? ( 1 lb = 4.45 N, which means on Earth, a weight of 2.2lbs corresponds to a mass of 1 kg)You push a lawnmower (mass=15kg) across the lawn at constant speed. To do so, you must excert 200 N of force. The handle makes a 35° angle with the horizontal. A. Draw the force diagram B. What is the x-component of the force you apply? C. How does it compare to the frictional force which opposes your effort? Explain. D. If the frictional force is reduced to 100 N, determine the acceleration of the lawnmower.F-H Only! Please
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