answer no. 3 draw the free body diagram 2. The small cart has a speed VA = 4 m/s at point A. Neglecting friction, determine its speed ve as itpasses point B. Is knowledge of the shape of the track necessary?=4 mis1.8 m3. The motor unit A is used to elevate the 300-kg cylinder at a constant rate of 2 m/s. If the powermeter B registers an electrical input of 2.20 kW, calculate the combined electrical and mechanicalefficiency e of the system.100 kg300 kg2 m/s

Answered: Image /qna-images/answer/82ebd985-318c-4e7e-b0e7-d1e707a68055.jpg

3. The motor unit A is used to elevate the 300-kg cylinder at a constant rate of 2 m/s. If the power meter B registers an electrical input of 2.20 kW, calculate the combined electrical and mechanical efficiency e of the system. 100 kg 300 kg 12 ma

3. The motor unit A is used to elevate the 300-kg cylinder at a constant rate of 2 m/s. If the power meter B registers an electrical input of 2.20 kW, calculate the combined electrical and mechanical efficiency e of the system. 100 kg 300 kg 12 ma

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 24P

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Question

answer no. 3
draw the free body diagram

2. The small cart has a speed VA = 4 m/s at point A. Neglecting friction, determine its speed ve as it
passes point B. Is knowledge of the shape of the track necessary?
=4 mis
1.8 m
3. The motor unit A is used to elevate the 300-kg cylinder at a constant rate of 2 m/s. If the power
meter B registers an electrical input of 2.20 kW, calculate the combined electrical and mechanical
efficiency e of the system.
100 kg
300 kg
2 m/s

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