Work and Energy LESSON OBJECTIVES Students will be able to
... 91. A horse moves a sleigh 1.00 kilometer by applying a horizontal 2,000-newton force on its harness for 45 minutes. What is the power of the horse? (Hint: Convert time to seconds.) 92. A wagon is pulled at a speed of 0.40 meters/sec by a horse exerting an 1,800-newton horizontal force. Whatis the p ...
... 91. A horse moves a sleigh 1.00 kilometer by applying a horizontal 2,000-newton force on its harness for 45 minutes. What is the power of the horse? (Hint: Convert time to seconds.) 92. A wagon is pulled at a speed of 0.40 meters/sec by a horse exerting an 1,800-newton horizontal force. Whatis the p ...
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... If the spring is not extended when the bead is at the top of the circle then: (a) Find the potential energy of the bead as a function its angular position, measured from center of the circle – draw the potential energy diagram of V(q (b) What minimum K.E. must the bead have at the top to go all the ...
... If the spring is not extended when the bead is at the top of the circle then: (a) Find the potential energy of the bead as a function its angular position, measured from center of the circle – draw the potential energy diagram of V(q (b) What minimum K.E. must the bead have at the top to go all the ...
Force-Mass-Acceleration method
... externally applied forces was determined by isolating particles. - Potential Energy approach can be used to specifically treat the work done by gravity forces and spring forces Simplify analysis of many problems. Gravitational Potential Energy • Motion in close proximity to earth’s surface g con ...
... externally applied forces was determined by isolating particles. - Potential Energy approach can be used to specifically treat the work done by gravity forces and spring forces Simplify analysis of many problems. Gravitational Potential Energy • Motion in close proximity to earth’s surface g con ...
This worksheet uses the concepts of rotational
... K rot 12 I2 . If, in addition, the center of mass of the wheel is translating, then the translational kinetic energy is given by K trans 12 Mv 2 . To find the total kinetic energy of the system, add the individual contributions to find: K total K rot K trans 12 I2 12 Mv 2 If that’s all ...
... K rot 12 I2 . If, in addition, the center of mass of the wheel is translating, then the translational kinetic energy is given by K trans 12 Mv 2 . To find the total kinetic energy of the system, add the individual contributions to find: K total K rot K trans 12 I2 12 Mv 2 If that’s all ...
answer
... If our barbell had no energy to begin with, Eo = 0, then W = Ef But we just showed that we did W=mgh to lift the barbell... so mgh=Ef The energy of a mass is increased by an amount mgh when it is raised by a height "h". ...
... If our barbell had no energy to begin with, Eo = 0, then W = Ef But we just showed that we did W=mgh to lift the barbell... so mgh=Ef The energy of a mass is increased by an amount mgh when it is raised by a height "h". ...
mechanics 4, m4
... In the MEI Structured Mathematics specification, no calculator is allowed in the examination for C1. For all other units, including this one, a graphical calculator is allowed. ...
... In the MEI Structured Mathematics specification, no calculator is allowed in the examination for C1. For all other units, including this one, a graphical calculator is allowed. ...
Statistical Mechanics Basis of Macleod`s Formula
... in which, S and +denote the surface area and the differentiation with respect to the temperature, respectively. The second, whose details are given later, begins with the statistical-mechanical definition of the surface tension. Using the first it has been shown that the surface tension is proportio ...
... in which, S and +denote the surface area and the differentiation with respect to the temperature, respectively. The second, whose details are given later, begins with the statistical-mechanical definition of the surface tension. Using the first it has been shown that the surface tension is proportio ...
Atomic Line Spectra: the Bohr model Line Spectra of Excited Atoms
... Calculate ∆E for e- “falling” from higher energy level (n = 2) to lower energy level (n = 1). ∆E = Efinal - Einitial = -Rhc[(1/12) - (1/2)2] ∆E = -(3/4)Rhc The atom’s final energy is less than its initial energy, thus the atom is losing energy. Feb. 22, 2006 ...
... Calculate ∆E for e- “falling” from higher energy level (n = 2) to lower energy level (n = 1). ∆E = Efinal - Einitial = -Rhc[(1/12) - (1/2)2] ∆E = -(3/4)Rhc The atom’s final energy is less than its initial energy, thus the atom is losing energy. Feb. 22, 2006 ...
Chap. 3 Conceptual Modules Fishbane
... Gravitational PE is mgh, where height h is measured relative to some arbitrary reference level where PE = 0. For example, a book on a table has positive PE if the zero reference level is chosen to be the floor. However, if the ceiling is the zero level, then the book has negative PE on the table. It ...
... Gravitational PE is mgh, where height h is measured relative to some arbitrary reference level where PE = 0. For example, a book on a table has positive PE if the zero reference level is chosen to be the floor. However, if the ceiling is the zero level, then the book has negative PE on the table. It ...
Harmonic Oscillator Problem
... p(t ) = A sin(ωt + φ ) ω is the angular frequency of the wave (in radians per second), A is its amplitude, and φ is the initial phase of the wave (in radians). the units of p are whatever those of A are ...
... p(t ) = A sin(ωt + φ ) ω is the angular frequency of the wave (in radians per second), A is its amplitude, and φ is the initial phase of the wave (in radians). the units of p are whatever those of A are ...
Work and Energy
... – Damage to car in collision is proportional to v2 – Trauma to head from falling anvil is proportional to v2, or to mgh (how high it started from) – Hurricane with 120 m.p.h. packs four times the punch of gale with 60 m.p.h. winds ...
... – Damage to car in collision is proportional to v2 – Trauma to head from falling anvil is proportional to v2, or to mgh (how high it started from) – Hurricane with 120 m.p.h. packs four times the punch of gale with 60 m.p.h. winds ...
Chapter 5 Energy
... of motion as well as motion. So, for example, the force that a string exerts on a whirling object connected to it is always perpendicular to the direction of motion so the work done by the force is zero. ENERGY Property of a system which causes changes in its own state or state of its surroundings; ...
... of motion as well as motion. So, for example, the force that a string exerts on a whirling object connected to it is always perpendicular to the direction of motion so the work done by the force is zero. ENERGY Property of a system which causes changes in its own state or state of its surroundings; ...