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An elevator filled with passengers has a mass of 1,889 kilograms and moves upward at a...

An elevator filled with passengers has a mass of 1,889 kilograms and moves upward at a speed of 9.4 meters/second for 1.8 seconds. Calculate the tension in the cable (in Newtons) supporting the elevator during this time.

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Answer #1

acceleration

a = v/t = 9.4 / 1.8 = 5.22 m/s^2

mow reaction is given by

R = m ( g + a) = 1889* ("9.8 + 5.22)

R = 28377 N

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