14. A student apparently weighs 180lb, in an elevator that is accelerating at the rate 5ft/s^2 upward. ( use acceleration due to gravity = 32.2 ft/s^2) A) what is the true weight of the student? B) what will be the apparent weight of the student when the elevator now decelerates at the rate of 2ft/s^2 upward? C) what should be the elevator's acceleration in order for the apparent weight of the student to be equal to 160lb?
14. A student apparently weighs 180lb, in an elevator that is accelerating at the rate 5ft/s^2 upward. ( use acceleration due to gravity = 32.2 ft/s^2) A) what is the true weight of the student? B) what will be the apparent weight of the student when the elevator now decelerates at the rate of 2ft/s^2 upward? C) what should be the elevator's acceleration in order for the apparent weight of the student to be equal to 160lb?
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter7: Rotational Motion And The Law Of Gravity
Section: Chapter Questions
Problem 10WUE: (a) Find the magnitude of the gravity force between a planet with mass 5.98 1024 kg and its moon,...
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14. A student apparently weighs 180lb, in an elevator that is accelerating at the rate 5ft/s^2 upward. ( use acceleration due to gravity = 32.2 ft/s^2)
A) what is the true weight of the student?
B) what will be the apparent weight of the student when the elevator now decelerates at the rate of 2ft/s^2 upward?
C) what should be the elevator's acceleration in order for the apparent weight of the student to be equal to 160lb?
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