Energy and Work notes from class 16-17
... the direction that the spring is stretched. We call this a “direction-carrying negative” or a “concept-carrying negative”. It means that the negative sign is only there to remind us about direction; we do not use the negative when calculating the magnitude of the spring’s force! ...
... the direction that the spring is stretched. We call this a “direction-carrying negative” or a “concept-carrying negative”. It means that the negative sign is only there to remind us about direction; we do not use the negative when calculating the magnitude of the spring’s force! ...
Chpt6 - Dr. Erdal ONURHAN
... Some Forms of Energy - Solar Energy, part of radiant energy. Solar energy comes from the Sun and is the primary source of Earth’s energy. - Thermal Energy is due to random motion of atoms and molecules. It is generally calculated from temperature measurements. Temperature is not a measure of thermal ...
... Some Forms of Energy - Solar Energy, part of radiant energy. Solar energy comes from the Sun and is the primary source of Earth’s energy. - Thermal Energy is due to random motion of atoms and molecules. It is generally calculated from temperature measurements. Temperature is not a measure of thermal ...
Force, Work and Power
... The Effects of force on a spring(Hook’s Law) • The extension of a spiral spring is directly proportional to the force stretching it. • It is found that by adding equal weights to the spring will extend it in equal amounts. ...
... The Effects of force on a spring(Hook’s Law) • The extension of a spiral spring is directly proportional to the force stretching it. • It is found that by adding equal weights to the spring will extend it in equal amounts. ...
Conservation of Energy - University of Colorado Boulder
... Work done = PE = mg h = (68 kg) (9.8 m/s2) (35 m) = 23300 J (1Cal/ 4186 J) = 5.6 Cal A measly 5.6 Cal !?!? Well, it's not quite that bad. He was also doing a lot of ineffective work turning around in the stairwell, flailing his limbs, etc as he climbed, so the total mechanical work was more, may ...
... Work done = PE = mg h = (68 kg) (9.8 m/s2) (35 m) = 23300 J (1Cal/ 4186 J) = 5.6 Cal A measly 5.6 Cal !?!? Well, it's not quite that bad. He was also doing a lot of ineffective work turning around in the stairwell, flailing his limbs, etc as he climbed, so the total mechanical work was more, may ...
Unit 6: Work, Power and Energy Lab Activities and Handouts
... particle as it moves from point 1 to point 2: W = ∫ F ⋅ds . s1 ...
... particle as it moves from point 1 to point 2: W = ∫ F ⋅ds . s1 ...
Lecture 6/7 - TCD Chemistry
... (the bomb). The latter is immersed inside a stirred water bath. The whole arrangement (container + water bath) defines the calorimeter. The calorimeter is also immersed in an outer water bath. The water in the calorimeter and in the outer water bath is monitored and adjusted to the same temperature. ...
... (the bomb). The latter is immersed inside a stirred water bath. The whole arrangement (container + water bath) defines the calorimeter. The calorimeter is also immersed in an outer water bath. The water in the calorimeter and in the outer water bath is monitored and adjusted to the same temperature. ...
Course Outline - University of Pittsburgh
... 4 Credits Description: This is the first term of a two-term introductory sequence in physics for science and engineering students. Prerequisite: Calculus is needed and should be taken at least concurrently. The laboratory course associated with this sequence is taken after Physics 0174. Grading: The ...
... 4 Credits Description: This is the first term of a two-term introductory sequence in physics for science and engineering students. Prerequisite: Calculus is needed and should be taken at least concurrently. The laboratory course associated with this sequence is taken after Physics 0174. Grading: The ...
Section 11.1 The Many Forms of Energy
... Gravitational Potential Energy – energy of an object due to position or state. It is equal to the product of its mass, acceleration due to gravity, and the distance from the reference level. It is measured in Joules. It is denoted by PE. PE = mgh (Potential Energy = mass * gravity * height) Referenc ...
... Gravitational Potential Energy – energy of an object due to position or state. It is equal to the product of its mass, acceleration due to gravity, and the distance from the reference level. It is measured in Joules. It is denoted by PE. PE = mgh (Potential Energy = mass * gravity * height) Referenc ...
Document
... 1. In the reaction 2 H2(g) + O2(g) → 2 H2O(l), 3 mol of gas-phase molecules is replaced by 2 mol of liquid-phase molecules, so ∆ng = −3 mol. Therefore, at 298 K, when RT = 2.5 kJ mol−1, the enthalpy and internal energy changes taking place in the system are related by • Note that the difference is e ...
... 1. In the reaction 2 H2(g) + O2(g) → 2 H2O(l), 3 mol of gas-phase molecules is replaced by 2 mol of liquid-phase molecules, so ∆ng = −3 mol. Therefore, at 298 K, when RT = 2.5 kJ mol−1, the enthalpy and internal energy changes taking place in the system are related by • Note that the difference is e ...
Final Exam Spring 2001 Phy 231 Form 1
... and the force acts in the direction of this velocity, over what distance must this force act to change the block’s velocity from 4 to 6 m/s? vi vf a. 2.0 m b. 0.2 m F = 30 N c. 0.4 m d. 4.0 m e. none of the above ...
... and the force acts in the direction of this velocity, over what distance must this force act to change the block’s velocity from 4 to 6 m/s? vi vf a. 2.0 m b. 0.2 m F = 30 N c. 0.4 m d. 4.0 m e. none of the above ...
Ch 5 Work and Energy
... Conservative and Non-conservative Forces A force is conservative when the work is does is independent of the path between the objects initial and final positions (gravity, electric, and elastic). For example, work done against gravity does NOT depend on a path taken, it simply depends on h. A po ...
... Conservative and Non-conservative Forces A force is conservative when the work is does is independent of the path between the objects initial and final positions (gravity, electric, and elastic). For example, work done against gravity does NOT depend on a path taken, it simply depends on h. A po ...
H - Cuero ISD
... electric motor lifting a 6 N block a distance of 3 m. The total amount of electrical energy used by the motor is 30 J. How much energy does the motor convert to heat? F 9J G 12 J H 18 J J 21 J ...
... electric motor lifting a 6 N block a distance of 3 m. The total amount of electrical energy used by the motor is 30 J. How much energy does the motor convert to heat? F 9J G 12 J H 18 J J 21 J ...
Chapter 6
... A 3.35 g iron rod, initially at 22.7 °C, is submerged into an unknown mass of H2O at 63.2 °C, in an insulated container. The final temp of the mixture is 59.5 °C. What is the mass of the water? (Cs iron = 0.449 J/g∙ °C, Cs water = 4.18 J/g ∙ °C) m x CS,Fe x DTFe = –m x CS,H2O x DTH2O DTFe = 59.5 – 2 ...
... A 3.35 g iron rod, initially at 22.7 °C, is submerged into an unknown mass of H2O at 63.2 °C, in an insulated container. The final temp of the mixture is 59.5 °C. What is the mass of the water? (Cs iron = 0.449 J/g∙ °C, Cs water = 4.18 J/g ∙ °C) m x CS,Fe x DTFe = –m x CS,H2O x DTH2O DTFe = 59.5 – 2 ...
Conservation of Energy - University of Colorado Boulder
... change that PE into other kinds of energy (KE, thermal, light, etc ). The definition of the PE associated with a conservative force involves the work done by that force. Let’s first review the concept of work. Recall: If I lift a mass m, a distance h, at constant velocity (v = constant), with an ext ...
... change that PE into other kinds of energy (KE, thermal, light, etc ). The definition of the PE associated with a conservative force involves the work done by that force. Let’s first review the concept of work. Recall: If I lift a mass m, a distance h, at constant velocity (v = constant), with an ext ...
Energy
... calorimeter. Heat is NOT measured with a thermometer. Temperature is measured with a thermometer. Heat is measured in Joules. Temperature is measured in degrees. ...
... calorimeter. Heat is NOT measured with a thermometer. Temperature is measured with a thermometer. Heat is measured in Joules. Temperature is measured in degrees. ...
F elastic
... Potential Energy is the energy stored in a spring or other elastic material. ► Hooke’s Law: The displacement of a spring from its unstretched position is proportional the force applied. ► The slope of a force vs. displacement graph is equal to the spring constant. ► The area under a force vs. displa ...
... Potential Energy is the energy stored in a spring or other elastic material. ► Hooke’s Law: The displacement of a spring from its unstretched position is proportional the force applied. ► The slope of a force vs. displacement graph is equal to the spring constant. ► The area under a force vs. displa ...
2014-3 Human Power Notes
... The definition of a system is arbitrary. For example, we can think of all the blood in the body as a system. The heart needs to do mechanical work on it to increase its kinetic energy as it leaves the heart or else the blood kinetic energy will keep dissipating to heat and come to a stop. Other exam ...
... The definition of a system is arbitrary. For example, we can think of all the blood in the body as a system. The heart needs to do mechanical work on it to increase its kinetic energy as it leaves the heart or else the blood kinetic energy will keep dissipating to heat and come to a stop. Other exam ...