Chap. 6 Conceptual Modules Giancoli
... The force exerted by the catcher is opposite in direction to the displacement of the ball, so the work is negative. Or using the definition of work (W = F d cos q ), since q = 180o, then W < 0. Note that because the work done on the ball is negative, its speed decreases. Follow-up: What about the wo ...
... The force exerted by the catcher is opposite in direction to the displacement of the ball, so the work is negative. Or using the definition of work (W = F d cos q ), since q = 180o, then W < 0. Note that because the work done on the ball is negative, its speed decreases. Follow-up: What about the wo ...
Potential Energy Potential Energy
... A force may transform (change) one form of energy into another form Potential energy may be transformed into kinetic energy, or vice versa There are two classes of force: conservative and non-conservative ...
... A force may transform (change) one form of energy into another form Potential energy may be transformed into kinetic energy, or vice versa There are two classes of force: conservative and non-conservative ...
Physics: Principles and Applications, 6e Giancoli
... twice as fast, what distance would the car have skidded, under the same conditions? A) It would have skidded 4 times farther. B) It would have skidded twice as far. C) It would have skidded 1.4 times farther. D) It is impossible to tell from the information given. ...
... twice as fast, what distance would the car have skidded, under the same conditions? A) It would have skidded 4 times farther. B) It would have skidded twice as far. C) It would have skidded 1.4 times farther. D) It is impossible to tell from the information given. ...
Work and Energy
... Practice Problems Page 266 (pdf 37) #’s 41 - 43 Horsepower Lab (pdf 37) Page 267 Read pg 268 (pdf 37) and make up your own notes on efficiency ...
... Practice Problems Page 266 (pdf 37) #’s 41 - 43 Horsepower Lab (pdf 37) Page 267 Read pg 268 (pdf 37) and make up your own notes on efficiency ...
9-20-05 Chapter 6 Mass
... Divide the value you just calculated by 30,000 m/s (the approximate orbital speed of the earth). Divide the escape velocity from the earth (11,200 m/s in the text) by the speed of a satellite in near earth orbit (about 7,900 m/s). I will give 1 bonus point to the first person to turn in a sheet of p ...
... Divide the value you just calculated by 30,000 m/s (the approximate orbital speed of the earth). Divide the escape velocity from the earth (11,200 m/s in the text) by the speed of a satellite in near earth orbit (about 7,900 m/s). I will give 1 bonus point to the first person to turn in a sheet of p ...
Work and Energy NOTES o KE= ½ mv
... nuclear, and thermal- and that each of these forms can be converted into any of the other forms. For example, a battery converts chemical energy into electricity, and a light bulb converts electricity into light and heat. Not all energy conversions are a simple as turning on a light bulb . A power p ...
... nuclear, and thermal- and that each of these forms can be converted into any of the other forms. For example, a battery converts chemical energy into electricity, and a light bulb converts electricity into light and heat. Not all energy conversions are a simple as turning on a light bulb . A power p ...
L9.ppt
... – m in kg, g = 10 m/s2, h in m, GPE in Joules (J) • the higher I lift the object the more GPE it has • Gravitational potential energy is the energy an object has due to its position above the Earth • If the raised object is released, the GPE is converted to KE which can be used to do work ...
... – m in kg, g = 10 m/s2, h in m, GPE in Joules (J) • the higher I lift the object the more GPE it has • Gravitational potential energy is the energy an object has due to its position above the Earth • If the raised object is released, the GPE is converted to KE which can be used to do work ...
Second lecture, PPT
... Hossein Rezazdeh (“the world’s strongest man”) holds the world record in the super-heavyweight weightlifting class and won gold medals at the Sydney and Athens Olympics. His record for the “clean and jerk” is 263.5 kg. How much work is he doing in such a lift? The gravitational force is mg = 263.5 * ...
... Hossein Rezazdeh (“the world’s strongest man”) holds the world record in the super-heavyweight weightlifting class and won gold medals at the Sydney and Athens Olympics. His record for the “clean and jerk” is 263.5 kg. How much work is he doing in such a lift? The gravitational force is mg = 263.5 * ...
Slide 1 - University of Iowa Physics
... – m in kg, g = 10 m/s2, h in m, GPE in Joules (J) • the higher I lift the object the more GPE it has • Gravitational potential energy is the energy an object has due to its position above the Earth • If the raised object is released, the GPE is converted to KE which can be used to do work ...
... – m in kg, g = 10 m/s2, h in m, GPE in Joules (J) • the higher I lift the object the more GPE it has • Gravitational potential energy is the energy an object has due to its position above the Earth • If the raised object is released, the GPE is converted to KE which can be used to do work ...
Second lecture, PDF
... In 1807 Thomas Young first used the term “energy” in its modern scientific context. In the 1840’s James Prescott Joule carries out a series of experiments, showing the equivalence of mechanical energy and heat. When a certain amount of work is done (e.g. by a falling weight), a corresponding amount ...
... In 1807 Thomas Young first used the term “energy” in its modern scientific context. In the 1840’s James Prescott Joule carries out a series of experiments, showing the equivalence of mechanical energy and heat. When a certain amount of work is done (e.g. by a falling weight), a corresponding amount ...
Name__________________________________ J#______
... 60 x 9 = 540 kg-m/s 90 x 6 = 540 kg-m/s The Lineman only has a momentum of 360 kg-m/s (120 x 3) Center 4: Projectile Motion Click on to this site: BE sure to read the whole page, or you will be lost! Projectiles, when launched follow a curved path (also known as trajectory). Who can we credit for be ...
... 60 x 9 = 540 kg-m/s 90 x 6 = 540 kg-m/s The Lineman only has a momentum of 360 kg-m/s (120 x 3) Center 4: Projectile Motion Click on to this site: BE sure to read the whole page, or you will be lost! Projectiles, when launched follow a curved path (also known as trajectory). Who can we credit for be ...
Potential energy and conservation of energy
... some other form of energy of the system. - When the configuration change is reversed force reverses the ...
... some other form of energy of the system. - When the configuration change is reversed force reverses the ...
Conservation of energy. - University of Colorado Boulder
... U is negative in the middle, that means the molecule is happy there! (Everything likes to go to the lowest possible energy, like balls rolling down to the basement.) The formula says F= -dU/dx. For small x, look at the graph: dU/dx (slope) is -, the force is therefore + (repulsive). (This shows the ...
... U is negative in the middle, that means the molecule is happy there! (Everything likes to go to the lowest possible energy, like balls rolling down to the basement.) The formula says F= -dU/dx. For small x, look at the graph: dU/dx (slope) is -, the force is therefore + (repulsive). (This shows the ...
File
... How does it change? Explain. b. Does the effort needed to throw the ball seem to change as its speed increases? How does it change? Explain. 2. Now throw the more massive ball. Toss the ball back and forth at the same speed. Then alternate between the heavier and lighter ball. Again notice how much ...
... How does it change? Explain. b. Does the effort needed to throw the ball seem to change as its speed increases? How does it change? Explain. 2. Now throw the more massive ball. Toss the ball back and forth at the same speed. Then alternate between the heavier and lighter ball. Again notice how much ...
Chapter 8: Potential Energy and Conservation of Energy Work and
... Here, ∆Eint are energy changes due to other nonconservative internal forces. If there is no internal energy change, but friction acts within the system: W = ∆Emec + ∆Eth If there are only conservative forces acting within the system: W = ∆Emec ...
... Here, ∆Eint are energy changes due to other nonconservative internal forces. If there is no internal energy change, but friction acts within the system: W = ∆Emec + ∆Eth If there are only conservative forces acting within the system: W = ∆Emec ...
L2 Slides - University of Brighton
... in or constituting a physical body. In classical mechanics, the mass of an object is related to the force required to accelerate it and hence is related to its inertia, and is essential to Newton's laws of motion. Objects that have mass interact with each other through the force of gravity. ...
... in or constituting a physical body. In classical mechanics, the mass of an object is related to the force required to accelerate it and hence is related to its inertia, and is essential to Newton's laws of motion. Objects that have mass interact with each other through the force of gravity. ...