A woman in a lift is trying to weigh a parcel with a spring scale. The lift accelerates downwards at 1.7 m/s, then travels at a constant speed of 3m/s, and finally decelerates at 1.1 m/s. During the first stage of the motion, the scale reads 6.6 kg.Note: a spring scale is a device for measuring weight, where the parcel is suspended below a spring that is attached to a dial. The extension ofthe spring is proportional to the weight of the parcel, but the dial is calibrated to give the mass of the parcel in kilograms. The dial will only givethe correct mass if the parcel is subjected to the Earth's normal gravity.What does the scale read during the other stages of the motion?Second Stagekg.Third Stagekg.Give your answers correct to 1 decimal place.

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Description: A woman in a lift is trying to weigh a parcel with a spring scale. The lift accelerates downwards at 1.7 m/s, then travels at a constant speed of 3m/s, and finally decelerates at 1.1 m/s. During the first stage of the motion, the scale reads 6.6 kg.

Given downward accleration ,a=1.7 m/s2costanr speed ,v=3m/sFinaly decelerates at 1.1 m/s2 scale…

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A woman in a lift is trying to weign m/s, and finally decelerates at 1.1 m/s. During the first stage of the motion, the scale reads 6.6 kg. Note: a spring scale is a device for measuring weight, where the parcel is suspended below a spring that is attached to a dial. The extension the spring is proportional to the weightof the parcel, but the dial is calibrated to give the mass of the parcel in kilograms. The dial will only the correct mass if the parcel is subjected to the Earth's normal gravity. What does the scale read during the other stages of the motion? Second Stage

A woman in a lift is trying to weign m/s, and finally decelerates at 1.1 m/s. During the first stage of the motion, the scale reads 6.6 kg. Note: a spring scale is a device for measuring weight, where the parcel is suspended below a spring that is attached to a dial. The extension the spring is proportional to the weightof the parcel, but the dial is calibrated to give the mass of the parcel in kilograms. The dial will only the correct mass if the parcel is subjected to the Earth's normal gravity. What does the scale read during the other stages of the motion? Second Stage

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 8STP

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