903924
Descripción
Test por toronto416, actualizado hace más de 1 año
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Creado por toronto416
hace casi 10 años
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Pregunta 1
Pregunta
A hockey puck of mass 0.16 kg is slapped so that its velocity is 50 m/sec. It slides 40 meters across the ice before coming to rest. How much work is done by friction on the puck?
Respuesta
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+4 J
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–60 J
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–200 J
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–340 J
Pregunta 2
Pregunta
What is the name for motion without rotation?
Respuesta
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transitional motion
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translational motion
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non-rotational motion
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ambiguous motion
Pregunta 3
Pregunta
Name this formula: ΔV = βVΔT
Respuesta
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formula for change in velocity
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formula for defining vectors
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formula for change in valence
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formula for volume expansion of solids and liquids
Pregunta 4
Pregunta
What is the common name for the point at which the total force due to gravity can be said to be acting?
Respuesta
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center of motion
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gravitational resistance
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center of gravity
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center of resistance
Pregunta 5
Pregunta
What is resistivity?
Respuesta
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intrinsic resistance to current flow in a material
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intrinsic acceleration of current flow in a material
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intrinsic indifference to current flow in a material
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intrinsic amplification of current flow in a material
Pregunta 6
Pregunta
What is it called when waves are in phase and their amplitudes add together?
Respuesta
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occlusion
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constructive interference
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collusion
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destructive interference
Pregunta 7
Pregunta
What is another name for the ratio of an image’s height to the height of the object it represents?
Respuesta
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ramification
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magnification
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nullification
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resolution
Pregunta 8
Pregunta
In regard to a string, what is the fundamental frequency?
Respuesta
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the highest frequency the string can support
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the median frequency the string can support
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the best frequency the string can support
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the lowest frequency the string can support
Pregunta 9
Pregunta
What kind of oscillation occurs when particles move in the direction of the wave motion?
Respuesta
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latitudinal
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unusual
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longitudinal
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atypical
Pregunta 10
Pregunta
Which law states that the voltage drop across a resistor is proportional to the current carried?
Respuesta
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Mimm’s law
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Ohm’s law
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Planck’s law
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Heisenberg’s law
Pregunta 11
Pregunta
What is electrostatic force?
Respuesta
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static electricity
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the force that exists between stationary charges
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the force that exists between moving charges
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the force that exists when one charge is moving and the other is stationary
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