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Physics

Esmeralda

The largest velocity reached by a falling object is its

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Physics

Martin Middleton

Shows a 190 g hamster sitting on an 820 g wedge-shaped block. the block, in turn, rests on a spring scale. an extra-fine lubricating oil having μs=μk=0 is sprayed on the top surface of the block, causing the hamster to slide down. friction between the block and the scale is large enough that the block does not slip on the scale.

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Physics

Ferrell

What will happen to the hydronium ion concentration and pH of the water if hydrochloric acid is added to water?

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Physics

Muffin

What is the main driver of the water cycle

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Physics

Kiara Strong

What two types of evidence are used to classify orgianisms?

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Physics

Jean Serrano

What is the name of the fine soil particles deposited by rivers?

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Physics

Drake Hood

A ball of mass 200 g rolls along the ground at a speed of 5.2m/s. calculate the kinetic energy of the ball. Give answer to one decimal place.

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Physics

Andy

A light bulb that is connected to a 120 V source drawers 1.7 A. What is the resistance of the light bulb?

A. 14

B. 71

C. 200

D. 0.014

E. 0.0

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Physics

Chucky

Which of the following is an example of heat transfer through radiation?

A. A pot of soup warming on a hot burner.

B. A crayon melting on a hot sidewalk.

C. Beach sand getting warmed by the sun.

D. An egg getting cooked in a pot of boiling water.

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Physics

Konnor Pollard

Which of the following best describes each particle?

A. Protons are negative, neutrons are neutral, and electrons are positive.

B. Protons are neutral, neutrons are positive, and electrons are negative.

C. Protons are positive, neutrons are neutral, and electrons are negative.

D. Protons are neutral, neutrons are negative, and electrons are positive.

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Physics

Taniya Combs

During World War II, both the Allied and Axis powers used propaganda to

A. weaken public support for the war.

B. downplay public opinion.

C. manipulate the public through the use of humor.

D. shape public support of the war

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Physics

Mclaughlin

What type of simple machine is a hand drill?

A) pulley

B) wedge

C) ramp

D) screw

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Physics

Guest

Calculate the wavelength and frequency of the radiation emitted by the electronic transition from the 10th to the 9th excited state of hydrogen.

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Physics

Janiya

An unknown fluid has a specific gravity of 0.750. What is the volume of 22.5 kg of this fluid?

A. 10 L

B. 20 L

C. 30 L

D. 40 L

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Physics

Guest

What kind of tide is responsible for extreme tides

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