What is the acceleration of the elevator

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Q. A 77-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 822 N. What is the acceleration of the elevator?

Q. A 20.0 {rm kg} child plays on a swing having support ropes that are 2.30 {rm m} long. A friend pulls her back until the ropes are 39.0^circ from the vertical and releases her from rest?

Reference no: EM1346516

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