Lecture 3 - Fluid Dynamics and Balance Equations
... • Let us consider a general quantity per unit volume f(x, t). Its integral over the finite volume V, with the time-independent boundary A is given by ...
... • Let us consider a general quantity per unit volume f(x, t). Its integral over the finite volume V, with the time-independent boundary A is given by ...
Scaling laws in the macro-, micro- and nanoworlds
... effects have to be taken into account at a critical size of the elements Lc , which compares with the wavelength associated with the electrons λel , i.e. Lc ≈ λel = h/p, where h is the Planck constant and p is the momentum of the electron. Under these conditions, nanoparticles (also called quantum d ...
... effects have to be taken into account at a critical size of the elements Lc , which compares with the wavelength associated with the electrons λel , i.e. Lc ≈ λel = h/p, where h is the Planck constant and p is the momentum of the electron. Under these conditions, nanoparticles (also called quantum d ...
Rolling Something - Mount Holyoke College
... laws for translation and rotation or energy conservation. First, let us consider the analysis using Newton's laws. Refer to Figure 1. Since, for a rolling body, the axis of rotation is not fixed, we can consider the motion a combination of a translation of the center of mass plus a rotation about th ...
... laws for translation and rotation or energy conservation. First, let us consider the analysis using Newton's laws. Refer to Figure 1. Since, for a rolling body, the axis of rotation is not fixed, we can consider the motion a combination of a translation of the center of mass plus a rotation about th ...
Document
... A heat engine A heat engine is a device that uses heat to do work. A gasoline-powered car engine is a good example. To be useful, the engine must go through cycles, with work being done every cycle. Two temperatures are required. The higher temperature causes the system to expand, doing work, and t ...
... A heat engine A heat engine is a device that uses heat to do work. A gasoline-powered car engine is a good example. To be useful, the engine must go through cycles, with work being done every cycle. Two temperatures are required. The higher temperature causes the system to expand, doing work, and t ...
Chapter 2
... 8-31. At a particular instant a mortar shell has a velocity of 60 m/s. If its potential energy at that point is one-half of its kinetic energy, what is its height above the earth? Ek = ½mv2 and Ep = mgh; At the instant in question, Ep = ½Ek ...
... 8-31. At a particular instant a mortar shell has a velocity of 60 m/s. If its potential energy at that point is one-half of its kinetic energy, what is its height above the earth? Ek = ½mv2 and Ep = mgh; At the instant in question, Ep = ½Ek ...
Energy - Fort Thomas Independent Schools
... • As the KE increases, the PE decreases • As the diver hits the bucket, all PE has been transferred to KE • Work produces energy • Energy changes throughout the dive • At the top of the platform, all GPE and no KE • The diver always possesses 10,000 J of energy (energy is conserved) • Inverse relati ...
... • As the KE increases, the PE decreases • As the diver hits the bucket, all PE has been transferred to KE • Work produces energy • Energy changes throughout the dive • At the top of the platform, all GPE and no KE • The diver always possesses 10,000 J of energy (energy is conserved) • Inverse relati ...
highen_04_05_binaries - Mullard Space Science Laboratory
... astrophysics? • There is an attraction between any two bodies due to gravity. • The two bodies have gravitational potential energy. • As two bodies fall together this potential energy is converted into kinetic energy. • By any of the emission mechanisms discussed last time, this energy can be radiat ...
... astrophysics? • There is an attraction between any two bodies due to gravity. • The two bodies have gravitational potential energy. • As two bodies fall together this potential energy is converted into kinetic energy. • By any of the emission mechanisms discussed last time, this energy can be radiat ...
Course Title: Physical Science 9 A – Physics Highly Qualified
... INQE (9-12) The essence of scientific investigation involves the development of a theory or conceptual model that can generate testable predictions. INQF (9-12) Science is a human endeavor that involves logical reasoning and creativity and entails the testing, revision, and occasional discarding ...
... INQE (9-12) The essence of scientific investigation involves the development of a theory or conceptual model that can generate testable predictions. INQF (9-12) Science is a human endeavor that involves logical reasoning and creativity and entails the testing, revision, and occasional discarding ...
Lab 3 -- Energy! - Cabrillo College
... units of energy we use are Joules and Calories. In this section, you’ll get a sense for how large these are and how they compare to each other. a) Joules. A Joule is defined as the amount of energy it takes to pull (or push) on something with a force of 1 Newton for a distance of 1 meter. The alumin ...
... units of energy we use are Joules and Calories. In this section, you’ll get a sense for how large these are and how they compare to each other. a) Joules. A Joule is defined as the amount of energy it takes to pull (or push) on something with a force of 1 Newton for a distance of 1 meter. The alumin ...
Lesson 2 energy diagrams, potential e..
... Energy to drive a car 60 miles: 250,000,000 J Energy stored in 1 litre of petrol: 34,000,000 J Energy used by the human body for 1 day: 10,000,000 J Energy in 1 unit on electricity bill (costs 15p): 3,600,000 J Energy in a typical chocolate bar: 1,000,000 J Energy to boil 1 l of water, from freezing ...
... Energy to drive a car 60 miles: 250,000,000 J Energy stored in 1 litre of petrol: 34,000,000 J Energy used by the human body for 1 day: 10,000,000 J Energy in 1 unit on electricity bill (costs 15p): 3,600,000 J Energy in a typical chocolate bar: 1,000,000 J Energy to boil 1 l of water, from freezing ...
Energy: Forms and Changes
... Potential energy is stored in an object, either in the object’s position, in its condition. Another term for potential energy is elastic energy. To an observer, an object that is not moving appears to have no energy because it is doing nothing. However, the object has “potential” energy. It can move ...
... Potential energy is stored in an object, either in the object’s position, in its condition. Another term for potential energy is elastic energy. To an observer, an object that is not moving appears to have no energy because it is doing nothing. However, the object has “potential” energy. It can move ...
Exam 3 review suggestions and sample problems
... work done on the object? You should know how to do this calculation even if the forces are not constant, and are at an angle to the object’s motion. For example, if you made a data table consisting of the forces you measured when you pushed and pulled on a low friction cart in activity 5.5.1 (a) and ...
... work done on the object? You should know how to do this calculation even if the forces are not constant, and are at an angle to the object’s motion. For example, if you made a data table consisting of the forces you measured when you pushed and pulled on a low friction cart in activity 5.5.1 (a) and ...
Energy of a Tossed Ball
... When a juggler tosses a bean ball straight upward, the ball slows down until it reaches the top of its path and then speeds up on its way back down. In terms of energy, when the ball is released it has kinetic energy, KE. As it rises during its free-fall phase it slows down, loses kinetic energy, an ...
... When a juggler tosses a bean ball straight upward, the ball slows down until it reaches the top of its path and then speeds up on its way back down. In terms of energy, when the ball is released it has kinetic energy, KE. As it rises during its free-fall phase it slows down, loses kinetic energy, an ...
Spring Book Problems - Blue Valley Schools
... (I) If a particle undergoes SHM with amplitude 0.18 m, what is the total distance it travels in one period? [T, f, A] (I) The springs of a 1500-kg car compress 5.0 mm when its 68-kg driver gets into the driver’s seat. If the car goes over a bump, what will be the frequency of vibrations? [k, T, A, m ...
... (I) If a particle undergoes SHM with amplitude 0.18 m, what is the total distance it travels in one period? [T, f, A] (I) The springs of a 1500-kg car compress 5.0 mm when its 68-kg driver gets into the driver’s seat. If the car goes over a bump, what will be the frequency of vibrations? [k, T, A, m ...