The 58-lb crate is given a speed of 13 ft/s in t = 4 s starting from rest. The acceleration is constant. The motor has an efficiency & = 0.76. Neglect the mass of the pulley and cable. (Figure 1)

Precision Machining Technology (MindTap Course List)
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ISBN:9781285444543
Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
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Chapter2: Measurement, Materials, And Safety
Section2.3: Semi-precision Measurement
Problem 4RQ: List the parts of the combination set.
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The 58-1b crate is given a speed of 13 ft/s in t = 4 s starting from rest.
The acceleration is constant. The motor has an efficiency ε = 0.76.
Neglect the mass of the pulley and cable. (Figure 1)
Part A
Determine the power that must be supplied to the motor when t = 2 s.
Express your answer in units of horsepower to three significant figures.
VE ΑΣΦ41
P=.856
Submit
vec
Previous Answers Request Answer
X Incorrect; Try Again
hp
Transcribed Image Text:The 58-1b crate is given a speed of 13 ft/s in t = 4 s starting from rest. The acceleration is constant. The motor has an efficiency ε = 0.76. Neglect the mass of the pulley and cable. (Figure 1) Part A Determine the power that must be supplied to the motor when t = 2 s. Express your answer in units of horsepower to three significant figures. VE ΑΣΦ41 P=.856 Submit vec Previous Answers Request Answer X Incorrect; Try Again hp
M
Transcribed Image Text:M
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