A window washer pulls herself upward using the bucket-pulley apparatus shown in (Eigure 1). The mass of the person plus the bucket is 70 kg. gure 1 of 1 > Y How hard must she pull downward to raise herself slowly at constant speed? Express your answer to two significant figures and include the appropriate units. F = 690 Submit Part B 3 X Incorrect; Try Again Previous Answers Request Answer N μA If she increases this force by 12 %, what will her acceleration be? Express your answer to two significant figures and include the appropriate units. ? a ?
A window washer pulls herself upward using the bucket-pulley apparatus shown in (Eigure 1). The mass of the person plus the bucket is 70 kg. gure 1 of 1 > Y How hard must she pull downward to raise herself slowly at constant speed? Express your answer to two significant figures and include the appropriate units. F = 690 Submit Part B 3 X Incorrect; Try Again Previous Answers Request Answer N μA If she increases this force by 12 %, what will her acceleration be? Express your answer to two significant figures and include the appropriate units. ? a ?
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter5: Newton's Law Of Motion
Section: Chapter Questions
Problem 89AP: In building a house, carpenters use nails from a large box. The box is suspended from a spring twice...
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9781938168277
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