ppt
... 1. Increasing intensity results in more photons of the same energy 2. Decreasing f (or increasing λ) decreases photon energy ...
... 1. Increasing intensity results in more photons of the same energy 2. Decreasing f (or increasing λ) decreases photon energy ...
File
... The normal boiling point of ethanol is 78.3ºC and the molar enthalpy of vaporization is 38.56 kJ/mol. What is the change in entropy of the system when 68.3 g of ethanol at 1 atm is condensed to liquid? ...
... The normal boiling point of ethanol is 78.3ºC and the molar enthalpy of vaporization is 38.56 kJ/mol. What is the change in entropy of the system when 68.3 g of ethanol at 1 atm is condensed to liquid? ...
CURRICULUM SUMMARY – September to October 2008
... Recall and use the equation W = mg Describe and use the concept of weight as the effect of a gravitational field upon a mass Describe the moment of a force as a measure of its turning effect and give everyday examples Calculate moment using the product force x perpendicular distance from pivot Apply ...
... Recall and use the equation W = mg Describe and use the concept of weight as the effect of a gravitational field upon a mass Describe the moment of a force as a measure of its turning effect and give everyday examples Calculate moment using the product force x perpendicular distance from pivot Apply ...
End of Chapter Answers - Chapters 9-11
... same velocity that the cue ball had just before would gain some momentum in the the collision. collision. 8. a. The momentum of a falling ball is not 18. By shooting mass, exhaust gas, at conserved because a net external force, high velocity in the same direction I gravity, is acting on it. b. One s ...
... same velocity that the cue ball had just before would gain some momentum in the the collision. collision. 8. a. The momentum of a falling ball is not 18. By shooting mass, exhaust gas, at conserved because a net external force, high velocity in the same direction I gravity, is acting on it. b. One s ...
15.1 Energy and Its Forms
... What is work? What is the difference between kinetic energy and potential energy? What is the formula for KE? What is the formula for PE? Name and describe the two types of potential energy. As a group, name the eight forms of energy. ...
... What is work? What is the difference between kinetic energy and potential energy? What is the formula for KE? What is the formula for PE? Name and describe the two types of potential energy. As a group, name the eight forms of energy. ...
click - Uplift Education
... 40m/s. How much energy was ‘lost’ due to air resistance? Initial E = mgh = 10kg * 9.8 m/s2 *102 m = 10000J Final E = ½ mv2 = 0.5*10kg*(40m/s)2 = 8000 J Eheat = Initial E – Final E = 10000J – 8000 J = 2000 J ...
... 40m/s. How much energy was ‘lost’ due to air resistance? Initial E = mgh = 10kg * 9.8 m/s2 *102 m = 10000J Final E = ½ mv2 = 0.5*10kg*(40m/s)2 = 8000 J Eheat = Initial E – Final E = 10000J – 8000 J = 2000 J ...
PROBLEM SET AP1 Work, Power, Energy, and Energy
... 2. (I) How much work is done lifting a 60.0 kg crate from the ground to a height of 10.0 m. 3. (I) Using a pulley system, a dockworker does 1920 J of work to lift a crate from one floor to the next (40.0 m) in a warehouse. What was the tension in the rope? 4. (II) A person pushes a lawnmower with a ...
... 2. (I) How much work is done lifting a 60.0 kg crate from the ground to a height of 10.0 m. 3. (I) Using a pulley system, a dockworker does 1920 J of work to lift a crate from one floor to the next (40.0 m) in a warehouse. What was the tension in the rope? 4. (II) A person pushes a lawnmower with a ...
A 75.0-kg skier starts from rest and slides down a
... We get to ignore friction, so the total mechanical energy is conserved. We will take the height at position 1 to be our reference for potential energy: PE = 0 at position 1. We are given the velocity at position 4, so we can find both the kinetic and potential energies at position 4. Therefore the t ...
... We get to ignore friction, so the total mechanical energy is conserved. We will take the height at position 1 to be our reference for potential energy: PE = 0 at position 1. We are given the velocity at position 4, so we can find both the kinetic and potential energies at position 4. Therefore the t ...
Work-Energy for a System of Particles and its relation - Rose
... The only significant difference between the two equations is the net production rate term for mechanical energy. If we can find a set of conditions under which mechanical energy is neither produced nor destroyed, the Work-Energy Principle and the Mechanical Energy Balance contain the same informatio ...
... The only significant difference between the two equations is the net production rate term for mechanical energy. If we can find a set of conditions under which mechanical energy is neither produced nor destroyed, the Work-Energy Principle and the Mechanical Energy Balance contain the same informatio ...
Mid Term Test 2012 Answers File
... addition of angular momentum around this axis is the torque, so L moves to L + dt in time dt, i.e. with precessional angular velocity /L = 10/1000 = 10–3 rads–1. c) The potential energy of a body varies with position as U 2x 2 . (i) Give an expression for the force F on the body and sketch F(x) ...
... addition of angular momentum around this axis is the torque, so L moves to L + dt in time dt, i.e. with precessional angular velocity /L = 10/1000 = 10–3 rads–1. c) The potential energy of a body varies with position as U 2x 2 . (i) Give an expression for the force F on the body and sketch F(x) ...
Mongar Higher Secondary School
... Write true of false for the statement below. a) Newton’s 2nd law can be derived form 1st law and 3rd law can be derived from 1st law. b) All zeros lying in between a decimal point and the first non-zero digit on its right side are not significant c) Principle of homogeneity states that the dimension ...
... Write true of false for the statement below. a) Newton’s 2nd law can be derived form 1st law and 3rd law can be derived from 1st law. b) All zeros lying in between a decimal point and the first non-zero digit on its right side are not significant c) Principle of homogeneity states that the dimension ...
h i =h v i =0 v f >0 K i + U gi W = K f + U gf + DE K i + U gi W = K f + U
... 1 The energy in the system changes. This change is equal to the force that Stephen exerts on David multiplied by the distance David moves. 2 The energy in the system changes. This change is equal to the force that Stephen exerts on David multiplied by the distance David moves multiplied by the cos 4 ...
... 1 The energy in the system changes. This change is equal to the force that Stephen exerts on David multiplied by the distance David moves. 2 The energy in the system changes. This change is equal to the force that Stephen exerts on David multiplied by the distance David moves multiplied by the cos 4 ...