Physics

physics-9

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232905

120

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Redshift is a form of what effect in which the relative velocity of a wave’s source and receiver makes the apparent frequency change?

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232906

120

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The hydraulic analog of this law of electricity is that the pressure difference between two points in s pipe is proportional to the flow of this rate between them. Potential difference equals I times R according to what law that shares a namesake with the SI unit of resistance.

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232907

120

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The strength of these devices is directly proportional to their permittivity times their area. The Leyden jar was an early example of these devices, which contain two electric conductors separated by a dielectric. The farad is the SI unit of strength of what device that can store an electric charge.

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232908

120

none

For an object at rest on a flat surface, this force’s magnitude equals the object’s weight. Name this force directed at a right angle to the surface of contact between an object and the surface it rests on.

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232909

120

none

The normal force on an object and the object’s weight form an action-reaction pair of the sort described by this law of kinematics.

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232910

120

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For an ideal ramp, the value of this quantity equals the length of the ramp divided by its height. What is this two-word phrase that gives the ratio of output force to input force for a machine.

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232911

120

none

Ideal mechanical advantage occurs when this value is one hundred percent. Carnot found its limiting value for a heat engine.

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232912

120

none

Several of these machines are combined in a block and tackle to boost mechanical advantage. This machine is a grooved wheel with a rope.

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232913

120

none

Light reflected at Brewster’s angle exhibits the “linear” form of this property. Name this property, the direction of oscillation of waves. Many sunglasses filter out waves with certain values of this property.

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232914

120

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Polarization cannot be defined for this type of wave, whose name refers to the direction of oscillation being parallel to the direction of propagation.

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232915

120

none

This quantity is the time derivative of another quantity that is summed in quantum mechanics using Clebsch-Gordan coefficients. When this quantity for a body has constant magnitude and remains perpendicular to its angular velocity, constant-angular-velocity procession results. The moment of inertia times the angular acceleration equals what rotational analogue of force?

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232916

120

none

This quantity is a measure of how hard it is to bring an object to a complete stop. Name this physical quantity equal to the product of mass times velocity.

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232917

120

none

This type of collision preserves not only linear momentum but also kinetic energy.

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232918

120

none

The product of an applied force and the time over which it is applied gives this quantity, the change in an object’s momentum.

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232919

120

none

This man’s namesake equation does not describe collapse during measurements, but otherwise governs the evolution of a system’s wavefunction in quantum mechanics. Name this 20th century Austrian physicist who introduced a thought experiment in which a cat is simultaneously dead and alive.

Physics

Vraag 1 of 1

Tijd Over

Redshift is a form of what effect in which the relative velocity of a wave’s source and receiver makes the apparent frequency change?

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The hydraulic analog of this law of electricity is that the pressure difference between two points in s pipe is proportional to the flow of this rate between them. Potential difference equals I times R according to what law that shares a namesake with the SI unit of resistance.

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(0/0)

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For an object at rest on a flat surface, this force’s magnitude equals the object’s weight. Name this force directed at a right angle to the surface of contact between an object and the surface it rests on.

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(0/0)

The normal force on an object and the object’s weight form an action-reaction pair of the sort described by this law of kinematics.

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(0/0)

For an ideal ramp, the value of this quantity equals the length of the ramp divided by its height. What is this two-word phrase that gives the ratio of output force to input force for a machine.

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(0/0)

Ideal mechanical advantage occurs when this value is one hundred percent. Carnot found its limiting value for a heat engine.

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(0/0)

Several of these machines are combined in a block and tackle to boost mechanical advantage. This machine is a grooved wheel with a rope.

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(0/0)

Light reflected at Brewster’s angle exhibits the “linear” form of this property. Name this property, the direction of oscillation of waves. Many sunglasses filter out waves with certain values of this property.

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(0/0)

Polarization cannot be defined for this type of wave, whose name refers to the direction of oscillation being parallel to the direction of propagation.

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(0/0)

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This quantity is a measure of how hard it is to bring an object to a complete stop. Name this physical quantity equal to the product of mass times velocity.

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This type of collision preserves not only linear momentum but also kinetic energy.

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The product of an applied force and the time over which it is applied gives this quantity, the change in an object’s momentum.

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This man’s namesake equation does not describe collapse during measurements, but otherwise governs the evolution of a system’s wavefunction in quantum mechanics. Name this 20th century Austrian physicist who introduced a thought experiment in which a cat is simultaneously dead and alive.

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