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Physics

Ace Blackburn

Which of the metals is the best conductor of heat? How do you know?

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Physics

Cecelia Hester

Which of the following is a balanced chemical equation?

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Physics

Carl Moss

An object is moving to the left with a constant speed. What can be concluded about the forces acting upon the object?

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Physics

Jocelyn Cameron

The electron configuration of nitrogen (N) is

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Physics

Guest

What do scientists now believe is the key factor in transferring information from short term memory

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Physics

Ellen Knight

What is an example of a renewable resource?

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Physics

Guest

U need to cut down 3 trees to get about 5 kilograms of bark. About how many trees u have to cut down each year to make enough paclitaxel for 60,000 patients

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Physics

Kamora Bowen

The speedometer in your car reads 55 mi/h. This represents the what of the car

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Physics

Kamora

Since the moon has less mass then the earth what happens to objects on the moon

A. They fall slower

B. they fall faster

C. they don't fall

D. They fall at the same rate as they do on earth

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Physics

Dayton Ramos

An electrical motor spins at a constant 2035 rpm. if the armature radius is 5.862 cm, what is the acceleration of the edge of the rotor?

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Physics

Charlie Wilcox

If a car engine burns an equivalent of 20,000 joules of energy and attains a kinetic energy of 5,000 J, how much energy is dissipated in the form of heat?

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Physics

Jamarion Donovan

If the speed of light in a vacuum is twice that of the speed of light in a given material, what is the index of refraction for that material?

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Physics

Jax Warner

In an electric motor, the rotating coil of wires wrapped around an iron core is a (n)

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Physics

Kirsten Campos

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot?

The hot water causes a chemical reaction to take place in the spoon.

The heat from the hot water is conducted to the spoon handle

The hot water causes a physical change in the spoon handle.

The hot water heats the air surrounding the upper part of the spoon.

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Physics

Hugh

Which of the following is an example of a research topic that is too broad?

A. All about hip-hop music

B. Hip-hop and the voice of outrage

C. Rhyme and meter in hip-hop music

D. Block parties and the origins of hip-hop

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