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 ...
Brief 2-page Summary
... objects. In chemistry, electrostatic force is the driver of potential energy. Thermochemistry: study of energy, its transfers and transformations during chemical reactions. Energy: capacity to do work or transfer heat Work: moving an object against a force (like gravity) Heat: energy causing a ...
... objects. In chemistry, electrostatic force is the driver of potential energy. Thermochemistry: study of energy, its transfers and transformations during chemical reactions. Energy: capacity to do work or transfer heat Work: moving an object against a force (like gravity) Heat: energy causing a ...
Chapter 5 – Work and Energy Study Guide
... 2. Work is only done by forces (or components of forces) that are parallel to the displacement 3. No work is done by forces (or components of forces) that are perpendicular to the displacement 4. Work = force X displacement 5. W = F dcos θ 6. Wnet = Fnet d cos 7. Units of work: N m = J 8. PRA ...
... 2. Work is only done by forces (or components of forces) that are parallel to the displacement 3. No work is done by forces (or components of forces) that are perpendicular to the displacement 4. Work = force X displacement 5. W = F dcos θ 6. Wnet = Fnet d cos 7. Units of work: N m = J 8. PRA ...
General
... This equation relates what two things (mass and energy) Einstein’s equation explains what two types of reactions (Fission and Fusion) In a frictionless environment the kinetic energy of a falling object will be _________ to the potential energy at the beginning of the fall. (Equal) The process of en ...
... This equation relates what two things (mass and energy) Einstein’s equation explains what two types of reactions (Fission and Fusion) In a frictionless environment the kinetic energy of a falling object will be _________ to the potential energy at the beginning of the fall. (Equal) The process of en ...
Chapter 4 Powerpoint
... all plastics, pharmaceuticals, fabrics and other carbon-based products. ...
... all plastics, pharmaceuticals, fabrics and other carbon-based products. ...
File
... stored in chemical compounds (atoms and molecules). The energy is released when the bonds are broken. ...
... stored in chemical compounds (atoms and molecules). The energy is released when the bonds are broken. ...
Chemical energy is stored in some substances
... calories in a food, the more energy it contains. ...
... calories in a food, the more energy it contains. ...
Chapter 9 Test Study Guide - Motion and Energy
... 28. A cart is rolling down a hill for 7.1 seconds; it has an acceleration of 5.2 m/s2. If the cart has a beginning speed of 3.1 m/s, what is its final speed? ...
... 28. A cart is rolling down a hill for 7.1 seconds; it has an acceleration of 5.2 m/s2. If the cart has a beginning speed of 3.1 m/s, what is its final speed? ...
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 ...
Notes on Heat, temperature and kinetic energy
... kinetic energy of the particles of a substance • ....increases when kinetic energy increases • Kinetic energy is energy due to motion, so when motion increases, kinetic energy ...
... kinetic energy of the particles of a substance • ....increases when kinetic energy increases • Kinetic energy is energy due to motion, so when motion increases, kinetic energy ...
Types of Energy ANSWERS
... energy – the energy an object has due to place or position, such as its height above the Earth; a form of potential energy example(s): a rock on the edge of a cliff, water behind a dam, etc. ...
... energy – the energy an object has due to place or position, such as its height above the Earth; a form of potential energy example(s): a rock on the edge of a cliff, water behind a dam, etc. ...
Chapter 5.1 Energy Changes in Chemical and Nuclear Reactions
... • Thermal energy is the total quantity of kinetic and potential energy in a substance • This depends on how fast its particles are moving • When a substance absorbs thermal energy, its particles move at a greater speed and it warms up ...
... • Thermal energy is the total quantity of kinetic and potential energy in a substance • This depends on how fast its particles are moving • When a substance absorbs thermal energy, its particles move at a greater speed and it warms up ...
Energy Transfer Activities - Tuckahoe Common School District
... Chemical - chemical reactions Light - visible and invisible waves Electrical - electricity & magnetism ...
... Chemical - chemical reactions Light - visible and invisible waves Electrical - electricity & magnetism ...
energy
... rocks all over the world. Used to make nuclear energy. (During nuclear fission, a small particle called a neutron hits the uranium atom and splits it, releasing a great amount of energy as heat and radiation) ...
... rocks all over the world. Used to make nuclear energy. (During nuclear fission, a small particle called a neutron hits the uranium atom and splits it, releasing a great amount of energy as heat and radiation) ...
Thermal Energy from Chemical Reactions
... • Example, how much energy would 11g of C3H8 generated if burnt in O2 – C3H8(l) + 10O2(g) 3CO2(g) + 4H2O (l) ΔH = – 2220kJ mol –1 ...
... • Example, how much energy would 11g of C3H8 generated if burnt in O2 – C3H8(l) + 10O2(g) 3CO2(g) + 4H2O (l) ΔH = – 2220kJ mol –1 ...
Phases of Matter and Phase Changes
... Endothermic Energy is absorbed and overcomes attractive forces between particles ...
... Endothermic Energy is absorbed and overcomes attractive forces between particles ...
How to Calculate Kinetic Energy
... For each of the following energy problems, use the problem solving strategy. Include sketches, your system, and bar charts in your answers. 5.2 Regular Problem If you drop a 0.3 kg baseball from a window 20 m above the ground, how fast will the ball be moving the instant before it hits the ground? ...
... For each of the following energy problems, use the problem solving strategy. Include sketches, your system, and bar charts in your answers. 5.2 Regular Problem If you drop a 0.3 kg baseball from a window 20 m above the ground, how fast will the ball be moving the instant before it hits the ground? ...
Forms of Energy - Ms. Morgan's Science Spot
... For example: A car with the mass of 200 kilograms moving at 2 meters per second would have this kinetic energy: KE= (1/2)200 x 4 KE= 400 Joules ...
... For example: A car with the mass of 200 kilograms moving at 2 meters per second would have this kinetic energy: KE= (1/2)200 x 4 KE= 400 Joules ...
Forms of Energy
... • The higher up an object is, the greater potential energy. • Kinetic Energy- The energy of motion • The greater the speed and mass of the object the greater the kinetic energy ...
... • The higher up an object is, the greater potential energy. • Kinetic Energy- The energy of motion • The greater the speed and mass of the object the greater the kinetic energy ...