A spring attached to the ceiling of an elevator

Reference no: EM13553071

A spring attached to the ceiling of an elevator is 10 cm long when nothing is hanging from it. It is 12 cm long when a certain mass is hanging from it and the elevator is at rest. If the elevator moves upwards at an increasing speed of 4m/s^2, how long will the spring be?

Reference no: EM13553071

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