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

As per guideline we are suppose to do only one question from multiple question, kindly post the rest…

Answered: 2. The small cart has a speed VA = 4…

2. The small cart has a speed VA = 4 m/s at point A. Neglecting friction, determine its speed vs as it passes point B. Is knowledge of the shape of the track necessary? =4 mis 18 m B.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter7: Work, Energy, And Energy Resources

Section: Chapter Questions

Problem 33PE: What is the cost of operating a 3.00-W electric clock for a year if the cost of electricity is...

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Question

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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