What is the force acting on the elevators support cable

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Q. An elevator has a mass of 1100 kg. Assume it accelerates upward at .45 m/s2. What is the force acting on the elevators support cable?

(a) How far from a 53.6 mm focal-length lens must an object be placed if its image is to be magnified 2.12X and be real?

(b) What if the image is to be virtual and magnified 2.12X?

Reference no: EM1382323

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