'Conceptest' diaporamas de présentation

ConcepTest 11.1a Harmonic Motion I

ConcepTest 11.1a Harmonic Motion I. 1) 0 2) A /2 3) A 4) 2 A 5) 4 A. A mass on a spring in SHM has amplitude A and period T . What is the total distance traveled by the mass after a time interval T ?. ConcepTest 11.1a Harmonic Motion I. 1) 0 2) A /2 3) A 4) 2 A

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ConcepTest 19.1a Electric Charge I

ConcepTest 19.1a Electric Charge I. 1) one is positive, the other is negative 2) both are positive 3) both are negative 4) both are positive or both are negative. Two charged balls are repelling each other as they hang from the ceiling. What can you say about their charges?.

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ConcepTest 12.1a Sound Bite I

ConcepTest 12.1a Sound Bite I. 1) the frequency f 2) the wavelength l 3) the speed of the wave 4) both f and l 5) both v wave and l. When a sound wave passes from air into water, what properties of the wave will change?. ConcepTest 12.1a Sound Bite I. 1) the frequency f

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ConcepTest 27.1 Photons

400 nm 500 nm 600 nm 700 nm. ConcepTest 27.1 Photons. 1) red light 2) yellow light 3) green light 4) blue light 5) all have the same energy. Which has more energy, a photon of:. 400 nm 500 nm 600 nm 700 nm. E = h f. ConcepTest 27.1 Photons. 1) red light 2) yellow light

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ConcepTest 18.1a Series Resistors I

9 V. ConcepTest 18.1a Series Resistors I. 1) 12 V 2) zero 3) 3 V 4) 4 V 5) you need to know the actual value of R. Assume that the voltage of the battery is 9 V and that the three resistors are identical . What is the potential difference across each resistor?. 9 V.

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Module 2, Recitation 1

Module 2, Recitation 1. Position, displacement, speed, velocity concept questions. ConcepTest Walking the Dog.

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ConcepTest 6.2a Friction and Work I

ConcepTest 6.2a Friction and Work I. 1) friction does no work at all 2) friction does negative work 3) friction does positive work. A box is being pulled across a rough floor at a constant speed. What can you say about the work done by friction?. displacement. N. Pull. f. mg.

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THERMODYNAMICS

THERMODYNAMICS . Day 6 of 9. Review of Temperature. A measure of th e average kinetic energy of all the particles in an object. Thermal Expansion.

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Module 5, Recitation 1

Module 5, Recitation 1. Concept Problems. ConcepTest To Work or Not to Work. Is it possible to do work on an object that remains at rest?. 1) yes 2) no. ConcepTest To Work or Not to Work. Is it possible to do work on an object that remains at rest?. 1) yes 2) no.

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ConcepTest 6.4 Friction

ConcepTest 6.4 Friction. A) the force from the rushing air pushed it off B) the force of friction pushed it off C) no net force acted on the box D) truck went into reverse by accident E) none of the above.

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Module 5, Recitation 3

Module 5, Recitation 3. Concept Problems, Gravitational Potential Energy. ConcepTest Sign of the Energy. Is it possible for the gravitational potential energy of an object to be negative?. 1) yes 2) no. ConcepTest Sign of the Energy.

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Module 2, Recitation 4

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Announcements

Announcements. Monday guest lecturer: Dr. Fred Salsbury. Solutions now available online. Will strive to post lecture notes before class. May be different from what you see in class. Start with a single charge and a spherical surface around it. Generalize to any surface.

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ConcepTest 25.1 Capacitors

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Module 4, Recitation 4

Module 4, Recitation 4. Concept Problems, Circular Motion. T. W. ConcepTest Tetherball. 1) Toward the top of the pole 2) Toward the ground 3) Along the horizontal component of the tension force 4) Along the vertical component of the tension force 5) Tangential to the circle.

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UNIT 4 Forces and the Laws of Motion

UNIT 4 Forces and the Laws of Motion. ConcepTest 4.9b Collision Course II. 1) the car 2) the truck 3) both the same 4) it depends on the velocity of each 5) it depends on the mass of each. In the collision between the car and the truck, which has the greater acceleration?.

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ConcepTest 27.1 Junction Rule

5 A. P. 8 A. 2 A. ConcepTest 27.1 Junction Rule. 1) 2 A 2) 3 A 3) 5 A 4) 6 A 5) 10 A. What is the current in branch P?. ConcepTest 27.1 Junction Rule. 5 A. P. 8 A. 6 A. junction. 2 A. 1) 2 A 2) 3 A 3) 5 A 4) 6 A 5) 10 A. What is the current in branch P?.

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