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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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Physics

Damion Lara

What's is the power output of an engine that does 60000 J of work in 10 seconds

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Physics

Mia Swanson

Which of the following correctly identifies a voltage source and its method of developing electric potential? a. primary cell-heat action on a device b. thermocouple-chemical action c. dry cell-chemical action d. generator-genetic action

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Physics

Averie Wallace

A car travels from boston

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Physics

Talan Holloway

What number is between 2000 and 2500

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Physics

Derek Sharp

How do aeroplanes fly?

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Physics

Tess Moyer

What is constant acceleration?

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Physics

Clare Rogers

What is the best conductor of electricity? A. aluminum B. gasoline C. protien D. lipids

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Physics

Lauren Bradley

A container of water is lifted vertically 3.0m

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