Lecture-26 Hydro- Energy conversion system All forms of energy
... Efficiency = (electrical energy output)/(potential energy) = (electrical energy output)/[(9800 J/m4) x VH] When using this formula in the lab, be sure that both the electrical energy output and the potential energy have the same units of energy. If you measure V in cubic meters and H in meters, then ...
... Efficiency = (electrical energy output)/(potential energy) = (electrical energy output)/[(9800 J/m4) x VH] When using this formula in the lab, be sure that both the electrical energy output and the potential energy have the same units of energy. If you measure V in cubic meters and H in meters, then ...
Development of the Work Energy Concept in Mechanics
... Prolog, In search of Vis Visa. Prior to the time of Galileo (15461642 A.D.), science was conducted largely by philosophical argument. Ideas were purposed, and elegant arguments proposed to lend reason to the premise. In the Aristotelian world view, experimentation was perceived to be “unnatural” an ...
... Prolog, In search of Vis Visa. Prior to the time of Galileo (15461642 A.D.), science was conducted largely by philosophical argument. Ideas were purposed, and elegant arguments proposed to lend reason to the premise. In the Aristotelian world view, experimentation was perceived to be “unnatural” an ...
Chapter 6 – Work and Energy
... FS is the force the spring exerts opposite to its displacement in an attempt to restore its original length ...
... FS is the force the spring exerts opposite to its displacement in an attempt to restore its original length ...
Final Exam Review
... water rises and cooler water moves down to replace it, causing a circular motion. ...
... water rises and cooler water moves down to replace it, causing a circular motion. ...
Mechanical Energy:
... Key Terms • potential energy: energy of position, usually related to the relative position of two things, such as a stone and Earth, or an electron and a nucleus. • Law of Conservation of Energy: Energy cannot be created or destroyed. It may be transformed from one form into another, but the total ...
... Key Terms • potential energy: energy of position, usually related to the relative position of two things, such as a stone and Earth, or an electron and a nucleus. • Law of Conservation of Energy: Energy cannot be created or destroyed. It may be transformed from one form into another, but the total ...
Investigation 3
... Work, Power, Energy, Impulse, Momentum Work, Power, and Energy In physics, the definition of work is very different from its use in everyday conversation. Specifically, work equals the force acting on an object multiplied by the distance the object moves in the direction of the force. Or in equation ...
... Work, Power, Energy, Impulse, Momentum Work, Power, and Energy In physics, the definition of work is very different from its use in everyday conversation. Specifically, work equals the force acting on an object multiplied by the distance the object moves in the direction of the force. Or in equation ...
Energy Unit Concept Review Questions
... 19. A 200 kg gargoyle is perched on top of Notre Dame cathedral. He is 50 meters off the ground. a) How much Gravitational Potential Energy (GPE) does the gargoyle have? U = 98, 100 J b) If it were to fall with no air resistance, how much kinetic energy would it have when it was just about to hit th ...
... 19. A 200 kg gargoyle is perched on top of Notre Dame cathedral. He is 50 meters off the ground. a) How much Gravitational Potential Energy (GPE) does the gargoyle have? U = 98, 100 J b) If it were to fall with no air resistance, how much kinetic energy would it have when it was just about to hit th ...
There are two forms of energy that we deal with on the planet earth
... Gravitational Potential NRG Example 1 A book with a mass of 10 kg sits on a shelf 2 m above the ground. Find the potential energy for the book. ...
... Gravitational Potential NRG Example 1 A book with a mass of 10 kg sits on a shelf 2 m above the ground. Find the potential energy for the book. ...
Potential and Kinetic Energy
... A 3.00 kg box is lifted by an upward force 1.50 m above the surface of Earth to the top of a table. What is the potential energy stored in the box at its new position? ...
... A 3.00 kg box is lifted by an upward force 1.50 m above the surface of Earth to the top of a table. What is the potential energy stored in the box at its new position? ...
Objective:
... 1. Work is done when a force causes an object to move in the direction of the force. 2. The work done, W is defined as the product of the force, F and the distance, s in the direction of the force. W = F s Where, W = Work done F = Force s = Displacement in the direction of the force 3. The SI unit ...
... 1. Work is done when a force causes an object to move in the direction of the force. 2. The work done, W is defined as the product of the force, F and the distance, s in the direction of the force. W = F s Where, W = Work done F = Force s = Displacement in the direction of the force 3. The SI unit ...
Days 11-12 (Work/Energy Review)
... 15. A 6 kg block is pressed against a spring with force constant 600 N/m at the top of a hill 4 meters high. The spring is initially compressed 40 cm. (a) What is the speed of the block at the bottom of the hill after sliding down the frictionless surface? (b) How far will the block slide if it enc ...
... 15. A 6 kg block is pressed against a spring with force constant 600 N/m at the top of a hill 4 meters high. The spring is initially compressed 40 cm. (a) What is the speed of the block at the bottom of the hill after sliding down the frictionless surface? (b) How far will the block slide if it enc ...
Phys 207 E = K + U is constant!!!
... A mass starts at rest on a frictionless track a distance H above the floor. It slides down to the level of the floor where it encounters a loop of radius R. What is H if the normal force on the block by the track at the top of the loop is equal to the weight of the block ? ...
... A mass starts at rest on a frictionless track a distance H above the floor. It slides down to the level of the floor where it encounters a loop of radius R. What is H if the normal force on the block by the track at the top of the loop is equal to the weight of the block ? ...
Multiple choice questions [60 points]
... would be: to compare gravitational potential energies, we must know the masses of Sean and Susana. This question was counted correct for everyone. D. To compare gravitational potential energies, we must know the height of the mountain. E. To compare gravitational potential energies, we must know the ...
... would be: to compare gravitational potential energies, we must know the masses of Sean and Susana. This question was counted correct for everyone. D. To compare gravitational potential energies, we must know the height of the mountain. E. To compare gravitational potential energies, we must know the ...
PE s – Elastic or spring potential energy
... object and an object outside the system. Work is a change in the energy of the system. How does this remind you of our momentum bar charts? ...
... object and an object outside the system. Work is a change in the energy of the system. How does this remind you of our momentum bar charts? ...
Ch 7 Kinetic Energy and Work
... Ideal, or linear springs follow a rule called: Hooke’s Law: Fs = - k x Also an ideal spring will have negligible mass. • k is called the spring constant. This determines how stiff the spring is. • x is the distance the spring is deformed (stretched or compressed) from the equilibrium length. • The m ...
... Ideal, or linear springs follow a rule called: Hooke’s Law: Fs = - k x Also an ideal spring will have negligible mass. • k is called the spring constant. This determines how stiff the spring is. • x is the distance the spring is deformed (stretched or compressed) from the equilibrium length. • The m ...
PE g – Gravitational potential energy
... system. If external objects do work on the system Across the top of the chart, you see several symbols for (positive or negative), then there is a bar to represent different energies… work. Before KEi + PEg,i + PEs,i + ...
... system. If external objects do work on the system Across the top of the chart, you see several symbols for (positive or negative), then there is a bar to represent different energies… work. Before KEi + PEg,i + PEs,i + ...