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Physics

Julie Harvey

A circuit contains two 1.5 volt batteries and a bulb with a resistance of 3 ohms. Calculate the current.

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Physics

Sienna Cervantes

What type of friction acts when the books are at rest but a force is exerted?

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Physics

Guest

What is 0.002 represented by

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Physics

Armando Chan

As the amount of charge on two objects increases, the strength of the electrical force between the objects

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Physics

Conrad

Which of the two resistors dissipates the larger amount of power?

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Physics

Casey Waller

Three students derive the following equations in which x refers to distance traveled, v the speed, a the acceleration (m/s^2), and t the time, and the subscript (0) means a quantity at time t=0: a) x=vt^2 + 2at, b) x=v0t+1/2at^2, and c) x=v0t+2at^2. Which of these could possibly be correct according to a dimensional check?

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Physics

Larry Weeks

Which is a use of fiber optics?

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Physics

Isis

When a positively charged conductor touches a neutral conductor, the neutral conductor will:

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Physics

Josue Woodard

Definition of the rule E=mc^2

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Physics

Wilson

A 3.7 kg block is pushed along a horizontal floor by a force modifyingabove upper f with right-arrow of magnitude 25 n at a downward angle θ = 40°. the coefficient of kinetic friction between the block and the floor is 0.26. calculate the magnitudes of (a) the frictional force on the block from the floor and (b) the block's acceleration.

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Physics

Adrienne

When one object heats another, does the temperature increase of one object always equal the temperature decrease of the other object? Explain

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Physics

Emilio Galloway

Add the following displacement vectors:

12 m south and 15 m 55° E of N?

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Physics

Leandro Estrada

And electric current is produced by which of the following processes?

A. Electrical resistance

B. Transfer of protons

C. Convection currents

D. Electromagnetic induction

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Physics

Phoenix Guerrero

The basic building block of life is

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Physics

Guest

What is the reason for Mary's resemblance to her mother. Mary's relatives and friends feel she had her mothers feature

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