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... • Makes it easier to slide a load upward than to lift it directly. • For example: a ramp may be used when loading or unloading heavy objects out of a delivery truck. ...
... • Makes it easier to slide a load upward than to lift it directly. • For example: a ramp may be used when loading or unloading heavy objects out of a delivery truck. ...
Superconcepts
... c. First law of thermodynamics = energy is conserved, neither created nor destroyed; only transferred or transformed. d. Enthalpy = heat flow at constant pressure (= ΔH or qp) e. Thermochemical equations are balanced chemical equations with associated enthalpy changes. f. Hess’s law says that when a ...
... c. First law of thermodynamics = energy is conserved, neither created nor destroyed; only transferred or transformed. d. Enthalpy = heat flow at constant pressure (= ΔH or qp) e. Thermochemical equations are balanced chemical equations with associated enthalpy changes. f. Hess’s law says that when a ...
Conservation of Energy
... Energy Transfer: Energy transfer is the transfer of energy from one object or material to another. Energy Transformation: Energy transformation is the process of changing one form of energy to another. ...
... Energy Transfer: Energy transfer is the transfer of energy from one object or material to another. Energy Transformation: Energy transformation is the process of changing one form of energy to another. ...
Energy
... If the 2kg ball above starts with an initial velocity of 6.7m/s at 2m but only rolls up to a height of 3.1m, how much work is done by friction? A driver has a truck full of chickens. The chickens and truck have a combined mass of 2200kg. As the truck driver coasts down a frictionless hill, 300kg of ...
... If the 2kg ball above starts with an initial velocity of 6.7m/s at 2m but only rolls up to a height of 3.1m, how much work is done by friction? A driver has a truck full of chickens. The chickens and truck have a combined mass of 2200kg. As the truck driver coasts down a frictionless hill, 300kg of ...
Part I: Energy Transformations
... Part II: Energy http://www.pbslearningmedia.org/asset/tdc02_int_energyflow/ 1. How does energy from the Sun wind up in your dinner? _________________________________________________________________________________________ _____________________________________________________________________________ ...
... Part II: Energy http://www.pbslearningmedia.org/asset/tdc02_int_energyflow/ 1. How does energy from the Sun wind up in your dinner? _________________________________________________________________________________________ _____________________________________________________________________________ ...
Chapter 15 –Energy
... 9. Solar cells convert what type of energy into electrical energy? Chemical, mechanical, electromagnetic 10. Which of the following statement is true according to the law of conservation of energy? Energy cannot be destroyed Energy can be converted from one form to another Both statements 11. The eq ...
... 9. Solar cells convert what type of energy into electrical energy? Chemical, mechanical, electromagnetic 10. Which of the following statement is true according to the law of conservation of energy? Energy cannot be destroyed Energy can be converted from one form to another Both statements 11. The eq ...
5.1 Energy Changes in Chemical and Nuclear Reactions
... enter and leave the system (ex: barbecue) • A closed system is a system in which energy can enter and leave the system, but matter cannot (ex: glow stick) • An isolated system is an ideal system in which neither matter nor energy can move in or out (it is impossible to set up a completely isolated s ...
... enter and leave the system (ex: barbecue) • A closed system is a system in which energy can enter and leave the system, but matter cannot (ex: glow stick) • An isolated system is an ideal system in which neither matter nor energy can move in or out (it is impossible to set up a completely isolated s ...
ENERGY CONVERSION AND CONSERVATION
... What is the name of his most famous theory? Matter and energy can be converted back and forth; General Theory of Relativity 13. What is the difference between the law of conservation of energy and the concept of conserving energy? Law of conservation of energy states that matter & energy can be neit ...
... What is the name of his most famous theory? Matter and energy can be converted back and forth; General Theory of Relativity 13. What is the difference between the law of conservation of energy and the concept of conserving energy? Law of conservation of energy states that matter & energy can be neit ...
Work and Energy
... Law of Conservation of Energy – energy cannot be created or destroyed, although it may change form. A machine cannot do more work than the work required to operate the machine. Because of friction, the work output of a machine is always less than the work input. Efficiency of a machine is the r ...
... Law of Conservation of Energy – energy cannot be created or destroyed, although it may change form. A machine cannot do more work than the work required to operate the machine. Because of friction, the work output of a machine is always less than the work input. Efficiency of a machine is the r ...
Kinetic and Potential Energy powerpoint
... • When the position of an object is altered it, creates Potential Energy. • A yo-yo on the table, doesn’t have energy, but when picked up, it alters its position and now it has the ability (or potential) to do work. • A bow doesn’t have the capacity to do work, unless it’s held at an elevated posit ...
... • When the position of an object is altered it, creates Potential Energy. • A yo-yo on the table, doesn’t have energy, but when picked up, it alters its position and now it has the ability (or potential) to do work. • A bow doesn’t have the capacity to do work, unless it’s held at an elevated posit ...
Power
... • W=m (change in v/change in t) d • You do work only when you exert a force on an object and move it. • Work is done only by the part of the force that is in the same direction as the motion. Copyright © Houghton Mifflin Harcourt Publishing Company ...
... • W=m (change in v/change in t) d • You do work only when you exert a force on an object and move it. • Work is done only by the part of the force that is in the same direction as the motion. Copyright © Houghton Mifflin Harcourt Publishing Company ...
Energy Notes - Student
... 3. On a frozen pond, a person kicks a 10.0 kg sled, giving it an initial speed of 2.2 m/s. How far does the sled move if the coefficient of kinetic friction between the sled and the ice is 0.10? ...
... 3. On a frozen pond, a person kicks a 10.0 kg sled, giving it an initial speed of 2.2 m/s. How far does the sled move if the coefficient of kinetic friction between the sled and the ice is 0.10? ...
Chapter 5
... A baseball is caught by a catcher after passing over home plate. The initial state is the baseball moving at high speed just prior to hitting the catcher's mitt. The final state is the baseball just after the catcher has applied the force to stop the ball. Assume that the ball does not change hei ...
... A baseball is caught by a catcher after passing over home plate. The initial state is the baseball moving at high speed just prior to hitting the catcher's mitt. The final state is the baseball just after the catcher has applied the force to stop the ball. Assume that the ball does not change hei ...
Energy and Work - Stanley Teacher Prep
... Conservation of Energy • Law of conservation of energy: energy is neither created or destroyed, only changes state – As you move back and forth, energy is converted from kinetic to potential back to kinetic energy continuously – So why does the swing eventually stop? ...
... Conservation of Energy • Law of conservation of energy: energy is neither created or destroyed, only changes state – As you move back and forth, energy is converted from kinetic to potential back to kinetic energy continuously – So why does the swing eventually stop? ...
Types of Energy
... • Examples: biomass (wood), fossil fuels (oil), batteries, living organisms-plants/animals ...
... • Examples: biomass (wood), fossil fuels (oil), batteries, living organisms-plants/animals ...
Energy PPT
... Geothermal Wind Advantages of Renewable energy • It can be used without depleting it • No to minimal greenhouse gas emissions Disadvantages • Expensive – initial investment is high • Difficult to generate quantities of energy equal to traditional forms • Reliability of supply can be unpredictable ...
... Geothermal Wind Advantages of Renewable energy • It can be used without depleting it • No to minimal greenhouse gas emissions Disadvantages • Expensive – initial investment is high • Difficult to generate quantities of energy equal to traditional forms • Reliability of supply can be unpredictable ...
Name
... 14. You have a machine that tells you exactly how much work in joules is put into a machine and how much work was produced. The readings that you just received from the machine state that the input work was 345 joules and the output work was 330 joules. The law of conservation of energy states that ...
... 14. You have a machine that tells you exactly how much work in joules is put into a machine and how much work was produced. The readings that you just received from the machine state that the input work was 345 joules and the output work was 330 joules. The law of conservation of energy states that ...
File
... 22. If you jump on a trampoline, when is your potential energy at the maximum? 23. As an apple falls from a tree, the apple’s _____________________energy increases while its ___________________energy decreases. 24. What kinds of energy does a bicycle coasting down a hill have? 25. What is temperatur ...
... 22. If you jump on a trampoline, when is your potential energy at the maximum? 23. As an apple falls from a tree, the apple’s _____________________energy increases while its ___________________energy decreases. 24. What kinds of energy does a bicycle coasting down a hill have? 25. What is temperatur ...
Nonrenewable Energy
... • Much less polluting than coal or oil and releases more energy when combusted • Used for heating, appliances (stoves, dryers), and making electricity ...
... • Much less polluting than coal or oil and releases more energy when combusted • Used for heating, appliances (stoves, dryers), and making electricity ...
Problem Set 5 - from Chapter 6 Exercises 2, 5, 7, 15, 18, 32
... car (if you were moving twice as fast), means that the energy would increase by a factor of 4. This means that work is increased by a factor of 4. W = Fd, and F (the force of friction, in this case), is constant, so the distance increases by a factor of 4. Similarly, if your speed were cut in half, ...
... car (if you were moving twice as fast), means that the energy would increase by a factor of 4. This means that work is increased by a factor of 4. W = Fd, and F (the force of friction, in this case), is constant, so the distance increases by a factor of 4. Similarly, if your speed were cut in half, ...
Lesson Frame - Week 9
... Complete graphic organizer to define and provide examples of the 7 types of energy. Energy Reading Print out pictures and have students classify them by energy type. CD Worksheet Energy Transformation Lab Have the students identify examples of various energy transformation PE and KE animations (phys ...
... Complete graphic organizer to define and provide examples of the 7 types of energy. Energy Reading Print out pictures and have students classify them by energy type. CD Worksheet Energy Transformation Lab Have the students identify examples of various energy transformation PE and KE animations (phys ...
Mechanical Energy PP
... A 30kg child on a 5 kg sled starts from rest at the top of a 100m long, 17m tall hill. a) Compute the speed the child would reach by the bottom of the hill if it was frictionless. b) Real hills, even icy ones have friction. When the child reaches the bottom, she is going 10.0m/s. Compute the work do ...
... A 30kg child on a 5 kg sled starts from rest at the top of a 100m long, 17m tall hill. a) Compute the speed the child would reach by the bottom of the hill if it was frictionless. b) Real hills, even icy ones have friction. When the child reaches the bottom, she is going 10.0m/s. Compute the work do ...
