A proiectile is fired un an incline (Gncline angle
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A: Step 1: Step 2: Step 3: Step 4:
Where, vi=initial velocity of projectile.
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- 5A worker who weighs 250 lbs falls from the roof of a building while wearing a safety helmet. The worker strikes the concrete pavement below head first. If the helmet absorbed 1200 lbs of force, how much force did the worker absorb? (Assume the worker fell 15 feet and s = 0.1 feet) Select one: Oa. 25,200 lbs Ob. 36,300 lbs Oc. 24,200 lbs O d. 37,500 lbsA light bar AD is suspended from a cable BE and supports a 30-kg block at C. The ends A and D of the bar are in contact with frictionless vertical walls. Determine the reaction at D in N. a =196 mm, b =110 mm, c =80 mm and d = 160 mm