'Completely inelastic' diaporamas de présentation

Lecture 6 Chapter 9 Systems of Particles

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Lecture 12 Momentum, Energy, and Collisions

Lecture 12 Momentum, Energy, and Collisions. Announcements. EXAM: Thursday, October 17 (chapter 6-9) Equation sheet to be posted Practice exam to be posted. Impulse. Linear Momentum. With no net external force:. Center of Mass.

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Momentum and Collisions

Chapter 6. Momentum and Collisions. Chapter 6 Momentum and Collision. Chapter 6 . Momentum Momentum ( p ) is the quantity of motion in a body. Momentum is a vector . It has a size and a direction. Only moving object have momentum.

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Ch. 8 Momentum and its conservation

Ch. 8 Momentum and its conservation. AP Physics C. Citations:. Wahl, Michael. SparkNote on Conservation of Momentum . 25 Oct. 2008 <http://www.sparknotes.com/physics/linearmomentum/conservationofmomentum >.

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Elasticity

Chapter 19. Elasticity. Part I. Price Elasticity. Price Elasticity. The response of consumers to a change in price is measured by the price elasticity of demand. Price Elasticity.

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AP Physics I.D

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Chapter 8: Momentum

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Collisions

Collisions. Point of Contact. When two objects collide there is a point of contact. The moment of contact is short. Impulse due to external forces is small J ext = F ext D t The objects in collision at the time of collision can be viewed as an isolated system. Momentum at Collision.

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Conservation of Momentum

Conservation of Momentum. IDS Physics: Unit 03 M. Blachly. Review. Review. If a tennis racquet applies a force of 200. N on a 0.15 kg tennis ball, which goes from -15 m/s to +20. m/s as a result, how long did the collision last?. Conservation of Momentum.

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More Momentum

More Momentum. Conservation of Momentum/Energy Elastic and inelastic collisions.

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Momentum-Impulse Theorem Collision:

Momentum-Impulse Theorem Collision:. If no external force, momentum always conserved. Is the kinetic energy conserved?. Inelastic collision. Completely inelastic collision: stick together. Elastic collision . If v 1i ,v 2i is same direction. v f. 6. 2 m/s. 2.5 m/s. 2600 kg. 1200 kg.

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Inelastic Collisions

Inelastic Collisions. Energy Loss. Friction can cause a loss of energy at contact. Real springs are not perfectly elastic Materials heat up The energy not lost at the collision is available for kinetic energy. Inelastic collisions always have a loss of kinetic energy.

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7.5 Elastic Collisions in One Dimension Since momentum and energy are conserved then

7.5 Elastic Collisions in One Dimension Since momentum and energy are conserved then. 7.6 Inelastic Collisions Momentum is conserved but KE is not. Why? Consider a ball dropped onto the floor. Completely Inelastic Objects stick together after collision

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Shadow Prices: Applications to Developing Countries

Seventeen. Shadow Prices: Applications to Developing Countries. Figure 17-1 Shadow Pricing when Electricity Supply Is Either Completely Elastic or Completely Inelastic.

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