Homework Answers
A. Work done due to height = mgh
Work done = 2000x 3 x 9.81x 26
9.81-is acceleration due to gravity
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1. You need to lift three tons (one ton 2000 pounds) of water per minute from...
A pump is required to lift 780 kg of water per minute from a well 14.2 m deep and eject it with a speed of 19.0 m/s. A)...
A pump is required to lift 780 kg of water per minute from a
well 14.2 m deep and eject it with a speed of 19.0 m/s.
A) How much work is done per minute in lifting the
water?
B) How much work is done in giving the water the kinetic
energy it has when ejected?
C) What must be the power output of the pump?
Problem 6.85 6 of 6 Constants A pump is required to lift 780 kg...
A water pump is required to lift 800 liters of water per minute from a well...
A water pump is required to lift 800 liters of water per minute from a well 10 meters deep to an elevated tank 5 meters above ground level. a) How much work does the pump do in a time of 1 min.? b) What is its power output in Hp? c) If its efficiency is 90%, what is its power input in Hp? d) How much work is lost if the pump operates for 1 hour
(1) Suppose you lift a stone that has a mass of 5.3 kilograms off the floor...
(1) Suppose you lift a stone that has a mass of 5.3 kilograms off the floor onto a shelf that is 2 meters high. How much work have you done? Joules (2) Suppose you lift a laptop that weighs 3.2 pounds off the floor onto a shelf that is 4 feet high. How much work have you done? foot-pounds (3) The force on a particle is described by 9x^3−1 pounds at a point xx feet along the x-axis. Find the...
4. A certain circuit is properly fused for a 5-horsepower motor. If the motor is to...
4. A certain circuit is properly fused for a 5-horsepower motor. If the motor is to be replaced by several X-horsepower motors, how many motors will the fuses be able to carry? 5. A 20-foot length of underground cable is cut into 6-inch pieces. How 6. How many whole wedges 3% inches long can be made from 20 wedge Both work 5 days per week. Over a 2-week period, how many times longer than electrician A does electrician B work,...
38 w Jersey requires that engineering design of water, storm, wastewater and air systens be colabor because within the space of 800 square miles, live about 3 milion people. This means each perso...
38 w Jersey requires that engineering design of water, storm, wastewater and air systens be colabor because within the space of 800 square miles, live about 3 milion people. This means each person can affect the ar 4u and water resources of another person. To add to the complexity of overlapping resource demands is the institutional complexity of independent municipal jurisdictions. There are over 150 separate municipal sewer and water utilities a separately elected munioipal council and mayor. Therefore, because...
PHYSathe PM 1 Phy143 T3 Elec-Man, Material Properties, Fluids F16 - Schermerhorn Mainly from homework 6,...
PHYSathe PM 1 Phy143 T3 Elec-Man, Material Properties, Fluids F16 - Schermerhorn Mainly from homework 6, 7 and 8 1) if a current is flowing in a wire at point A out of this test paper, draw the magnetic field vector at point B to the right and point C below А, В 2) Find the current in amps to produce a magnetic field 3 of 02.67 Tesla at a position r = 2.25 m away from a long wire...
(might be 1 or 2, MCQ questions were having images given with them, which we couldn't...
(might be 1 or 2, MCQ questions were having images given with them, which we couldn't insert, so ignore those questions if you cannot answer, sorry for inconveinience created, i tried to delete them but might be couldn't done all) 3) Single phase induction motors work because: a) The oscillating magnetic field can induce starting torque in a rotor. b) The oscillating magnetic field can induce running torque in a rotor. c) A capacitance or inductance can create the phase...
From the article, choose three or more sustainable practice for the home. Describe how each would...
From the article, choose three or more sustainable practice for
the home. Describe how each would be feasible for you to
initiate.
WHAT YOU CAN DO ABOUT CLIMATE CHANGE
The EPA has produced a guide about what individuals can do to help
reduce their contributions to climate change. Changes in the home,
yard, and on the road can reduce greenhouse gases and save money.
EPA notes 16 simple steps individuals can take to reduce greenhouse
gas emissions, summarized below.
1....
Evaluate the arical writ the response in which you state your agreement or disagreement with writer...
Evaluate the arical
writ the response in which you state your agreement or disagreement
with writer up un these questions guidelines
1) can empathy lead us astrary? how
2) our heart will always go out to the baby in the well, its a
measure of our humanity. but empathy will have to yield to reason
if humanity is to have a future can empathy yield to reason?
how?
thank you
The Baby in the Well: The Case against Empathy* -Paul...
A pump is required to lift 780 kg of water per minute from a
well 14.2 m deep and eject it with a speed of 19.0 m/s.
A) How much work is done per minute in lifting the
water?
B) How much work is done in giving the water the kinetic
energy it has when ejected?
C) What must be the power output of the pump?
Problem 6.85 6 of 6 Constants A pump is required to lift 780 kg...
4. A certain circuit is properly fused for a 5-horsepower motor. If the motor is to be replaced by several X-horsepower motors, how many motors will the fuses be able to carry? 5. A 20-foot length of underground cable is cut into 6-inch pieces. How 6. How many whole wedges 3% inches long can be made from 20 wedge Both work 5 days per week. Over a 2-week period, how many times longer than electrician A does electrician B work,...
38 w Jersey requires that engineering design of water, storm, wastewater and air systens be colabor because within the space of 800 square miles, live about 3 milion people. This means each person can affect the ar 4u and water resources of another person. To add to the complexity of overlapping resource demands is the institutional complexity of independent municipal jurisdictions. There are over 150 separate municipal sewer and water utilities a separately elected munioipal council and mayor. Therefore, because...
PHYSathe PM 1 Phy143 T3 Elec-Man, Material Properties, Fluids F16 - Schermerhorn Mainly from homework 6, 7 and 8 1) if a current is flowing in a wire at point A out of this test paper, draw the magnetic field vector at point B to the right and point C below А, В 2) Find the current in amps to produce a magnetic field 3 of 02.67 Tesla at a position r = 2.25 m away from a long wire...
From the article, choose three or more sustainable practice for
the home. Describe how each would be feasible for you to
initiate.
WHAT YOU CAN DO ABOUT CLIMATE CHANGE
The EPA has produced a guide about what individuals can do to help
reduce their contributions to climate change. Changes in the home,
yard, and on the road can reduce greenhouse gases and save money.
EPA notes 16 simple steps individuals can take to reduce greenhouse
gas emissions, summarized below.
1....
Evaluate the arical
writ the response in which you state your agreement or disagreement
with writer up un these questions guidelines
1) can empathy lead us astrary? how
2) our heart will always go out to the baby in the well, its a
measure of our humanity. but empathy will have to yield to reason
if humanity is to have a future can empathy yield to reason?
how?
thank you
The Baby in the Well: The Case against Empathy* -Paul...
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