The 40-kg crate is being hoisted by the motor. If at this instant shown the velocity of point P on the cable is 4 m/s and the speed is increasing at 2 m/s2 * what is the power input supplied to the motor if its efficiency is £ = 0.75? Neglect the mass of pulley and cable Vp=4 m/s P Question 1: The 40-kg crate is being hoisted by the motor. If at this instant shown the velocity of point P on the cable is 4 m/s and the speed is increasing at 2 m/s², what is the power input supplied to the motor if its efficiency is = 0.75? Neglect the mass of pulley and cable. (a) 0.649 kW (b) 0.865 kW (c) 1.15 kW (d) 1.53 kW
The 40-kg crate is being hoisted by the motor. If at this instant shown the velocity of point P on the cable is 4 m/s and the speed is increasing at 2 m/s2 * what is the power input supplied to the motor if its efficiency is £ = 0.75? Neglect the mass of pulley and cable Vp=4 m/s P Question 1: The 40-kg crate is being hoisted by the motor. If at this instant shown the velocity of point P on the cable is 4 m/s and the speed is increasing at 2 m/s², what is the power input supplied to the motor if its efficiency is = 0.75? Neglect the mass of pulley and cable. (a) 0.649 kW (b) 0.865 kW (c) 1.15 kW (d) 1.53 kW
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:The 40-kg crate is being hoisted by the motor. If at this instant shown the velocity
of point P on the cable is 4 m/s and the speed is increasing at 2 m/s2 * what is the
power input supplied to the motor if its efficiency is £ = 0.75? Neglect the mass
of pulley and cable
Vp
↓P
= 4 m/s
A
Question 1: The 40-kg crate is being hoisted by the
motor. If at this instant shown the velocity of point
P on the cable is 4 m/s and the speed is increasing
at 2 m/s², what is the power input supplied to the
motor if its efficiency is = 0.75? Neglect the mass
of pulley and cable.
(a) 0.649 kW
(b) 0.865 kW
(c) 1.15 kW
(d) 1.53 kW
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