3. In which case would more power be needed? a. In lifting up a weight of 100kg at a constant speed of 3m/s b. In lifting up a weight of 100kg at a velocity 3m/s but accelerating upward 0.5m/s c. In lowering the weight at a constant speed of 3m/s d. In lowering the weight at a velocity of 3m/s and accelaration of 1m/s?

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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3. In which case would more power be needed?
a. In lifting up a weight of 100kg at a constant speed of 3m/s
b. In lifting up a weight of 100kg at a velocity 3m/s but accelerating upward 0.5m/s
c. In lowering the weight at a constant speed of 3m/s
d. In lowering the weight at a velocity of 3m/s and accelaration of 1m/s?
Transcribed Image Text:3. In which case would more power be needed? a. In lifting up a weight of 100kg at a constant speed of 3m/s b. In lifting up a weight of 100kg at a velocity 3m/s but accelerating upward 0.5m/s c. In lowering the weight at a constant speed of 3m/s d. In lowering the weight at a velocity of 3m/s and accelaration of 1m/s?
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