Lecture 14
... a) Work done on ball by its weight? Weight force is in same direction as the displacement so, Work = mg ! displacement = 0.6g ! (6.1 - 1.5 m) = 27 J b) PE of ball relative to ground when released? PE = mgyo = 0.6g ! (6.1 m) = 35.9 J c) PE of ball when caught? PE = mgy = 0.6g ! (1.5 m) = 8.8 J Wednes ...
... a) Work done on ball by its weight? Weight force is in same direction as the displacement so, Work = mg ! displacement = 0.6g ! (6.1 - 1.5 m) = 27 J b) PE of ball relative to ground when released? PE = mgyo = 0.6g ! (6.1 m) = 35.9 J c) PE of ball when caught? PE = mgy = 0.6g ! (1.5 m) = 8.8 J Wednes ...
Physics 30 Energy Go to main menu Part I (2 X 7) 1. Which of the
... EI4 conservation of energy mgh +0.5mv2=mgh you have everything but v EI5 p=w/t and w is work that is Fd, don't forget gravity for value of a EI6 W=Fd you must find acceleration form simple motion equation EI7 similar to pendulum lab when an object gains kinetic energy it looses gravitational potenti ...
... EI4 conservation of energy mgh +0.5mv2=mgh you have everything but v EI5 p=w/t and w is work that is Fd, don't forget gravity for value of a EI6 W=Fd you must find acceleration form simple motion equation EI7 similar to pendulum lab when an object gains kinetic energy it looses gravitational potenti ...
CH 14 – Copy
... The sliding motion will generate heat, a form of energy which seems not to be accounted for in the W&E equation. ...
... The sliding motion will generate heat, a form of energy which seems not to be accounted for in the W&E equation. ...
midterm study guide answer key
... When a falling object reaches terminal velocity, the net force acting on it is _____ZERO_______________. The force of gravity acting on an object is the object’s ______WEIGHT______________. If the forces acting on an object produce a net force of zero, the forces are called __________BALANCED_______ ...
... When a falling object reaches terminal velocity, the net force acting on it is _____ZERO_______________. The force of gravity acting on an object is the object’s ______WEIGHT______________. If the forces acting on an object produce a net force of zero, the forces are called __________BALANCED_______ ...
File
... How high will the ball rise? (Use Conservation of Energy to solve!) (20.4 m) 2. A sled is at the top of a 40 meter high hill. The sled and its rider have a mass of 70 kg. a. What is the GPE of sled and rider? (27,440 J) b. How fast will the sled be moving at the bottom of the hill? (28 m/s) c. If th ...
... How high will the ball rise? (Use Conservation of Energy to solve!) (20.4 m) 2. A sled is at the top of a 40 meter high hill. The sled and its rider have a mass of 70 kg. a. What is the GPE of sled and rider? (27,440 J) b. How fast will the sled be moving at the bottom of the hill? (28 m/s) c. If th ...
Physics Work, Energy and Power
... The amount of potential energy stored in materials is related to the extent of deformation of these materials. The more the stretch or the greater the compression, the greater the elastic potential energy stored. Deformation is described as plastic if the atoms or molecules of the material do not re ...
... The amount of potential energy stored in materials is related to the extent of deformation of these materials. The more the stretch or the greater the compression, the greater the elastic potential energy stored. Deformation is described as plastic if the atoms or molecules of the material do not re ...
Chapter 5 Thermochemistry Student Outline Notes File
... Energy is an _______________ property since the total internal energy is proportional to the total quantity of matter in the system. Energy is affected by ______________ and ________________. ...
... Energy is an _______________ property since the total internal energy is proportional to the total quantity of matter in the system. Energy is affected by ______________ and ________________. ...
Honors Work, Energy
... Now try one with angles :) • A skier starts from rest at the top of a 20 incline and skis a straight line to the bottom of the slope 400m down the slope. If the coefficient of kinetic friction between the skis and the snow is 0.2, calculate the skiers speed at the bottom of the run. • Hint- draw a ...
... Now try one with angles :) • A skier starts from rest at the top of a 20 incline and skis a straight line to the bottom of the slope 400m down the slope. If the coefficient of kinetic friction between the skis and the snow is 0.2, calculate the skiers speed at the bottom of the run. • Hint- draw a ...
Astronomy
... Explain work as a transfer of energy and net work as the work done by the net force. Explain and apply the work-energy theorem. Horsepower Activity Bill Nye - Energy 7.3. Gravitational Potential Energy Explain gravitational potential energy in terms of work done against gravity. Show that th ...
... Explain work as a transfer of energy and net work as the work done by the net force. Explain and apply the work-energy theorem. Horsepower Activity Bill Nye - Energy 7.3. Gravitational Potential Energy Explain gravitational potential energy in terms of work done against gravity. Show that th ...
File
... Net force is the overall force acting on the object If the force of friction is 10N and Thrust is 22N what is the net force? What is the vertical net force and what does this say about the motion of the object? ...
... Net force is the overall force acting on the object If the force of friction is 10N and Thrust is 22N what is the net force? What is the vertical net force and what does this say about the motion of the object? ...
Chapter Six Outline
... though there may be no change in temperature. Changes of state, or phase changes, are physical processes where one state of matter is transformed into another, for example melting a solid. Heat of fusion: the quantity of thermal energy that must be transferred to a solid as it melts. Heat of v ...
... though there may be no change in temperature. Changes of state, or phase changes, are physical processes where one state of matter is transformed into another, for example melting a solid. Heat of fusion: the quantity of thermal energy that must be transferred to a solid as it melts. Heat of v ...
Kinetic Energy and the Work
... If the word we do, in getting from on point to another depends on the path we take, we are dealing with a non-conservative force. Non-conservative force do NOT store potential energy When I do work against a conservative force, like lifting an object, I can then drop the object and the work I have d ...
... If the word we do, in getting from on point to another depends on the path we take, we are dealing with a non-conservative force. Non-conservative force do NOT store potential energy When I do work against a conservative force, like lifting an object, I can then drop the object and the work I have d ...
2012 F=ma Solutions - Art of Problem Solving
... spring. First we need to calculate the circumradius of the equilateral triangle of side length Draw the circumcircle, in which the circle passes through each vertex of the triangle. Suppose the radius of the circumcircle is . The area of the circle is and the area of the equilateral triangle is ( )( ...
... spring. First we need to calculate the circumradius of the equilateral triangle of side length Draw the circumcircle, in which the circle passes through each vertex of the triangle. Suppose the radius of the circumcircle is . The area of the circle is and the area of the equilateral triangle is ( )( ...
work+power - Princeton High School
... • GPE = 49,000 Joules • If all GPE becomes KE at the bottom of the Swing GPE = KE = 1/2 mv2 • 49,000 kgm2/s2 = 1/2 100kg v2 • v = 31.3 m/s ...
... • GPE = 49,000 Joules • If all GPE becomes KE at the bottom of the Swing GPE = KE = 1/2 mv2 • 49,000 kgm2/s2 = 1/2 100kg v2 • v = 31.3 m/s ...
Episode 214 - Teaching Advanced Physics
... What is the force acting against the movement? (mg) We say that the lifting force is doing work against gravity. Some students may feel that it takes a larger force than mg to raise the object; however, if the object is raised at a steady speed, it is in equilibrium and the lifting force will just b ...
... What is the force acting against the movement? (mg) We say that the lifting force is doing work against gravity. Some students may feel that it takes a larger force than mg to raise the object; however, if the object is raised at a steady speed, it is in equilibrium and the lifting force will just b ...