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Physics

Sterling Quinn

A 9.0-v battery is connected to a bulb whose resistance is 2.5 ω. part a how many electrons leave the battery per minute?

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Physics

Devin Simon

What is the basic unit of matter? atom cell bacterium molecule Description

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Physics

Jamison Salazar

A person fires a 38 gram bullet straight up into the air. It rises, then falls straight back down, striking the ground with a speed of 345 m/s. The bullet embeds itself into the ground a distance of 8.9 cm before coming to a stop. What force does the ground exert on the bullet? Express your answer in newtons.

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Physics

Karli Tate

Subject: Science

Why is it important to report experimental results honestly even when the results go against your hypothesis?

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Physics

Shayna Christensen

A thin rectangular piece of wood floats in water. You slowly pour oil with a density equal to that of the wood on the surface of the water until the height of the oil above the water is twice the height of the piece of wood. Which statement is correct?

A. The wood floats on top of the oil, so it sticks up in the air.

B. The wood does not change its position

C. The wood sinks below the surface of the water

D. The wood is half in the water and half in the oil.

E. The wood floats in the oil just above the water.

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Physics

Kaylee

Calculate the force between a 0.05 C charge and a 0.03 C charge 2 meters apart.

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Physics

Harold Zhang

Why might a plant that normally grows in one environment not grow well in a different one?

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Physics

Cherish Phelps

The gun, mount, and train car of a railway had a total mass of 1.22 x 10^6 kg. The gun fired a projectile that was 80 cm in diameter and weighed 7502 kg. In the firing, the gun has been elevated 20 degrees above the horizontal. If the railway gun at rest before firing and moved to the right at a speed of 4.68 m/s immediately after firing, what was the speed of the projectile as it left the barrel (muzzle velocity) ? How far will the projectile travel if air resistance is neglected? Assume that the wheel axles are frictionless.

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Physics

Ibrahim Ray

What does it mean when the orange light comes on for the anti-lock break? If it stays on what problem could it cause?

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Physics

Holly Perry

What is the relationship between matter and energy as it changes states of matter (phase changes?)

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Physics

Ryleigh Hayes

Television is becoming a more effective mass media outlet for advertising because so many more people own TV sets and have access to cable as well as satellite. A. True B. False

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Physics

Guest

How to solve indices

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Physics

Destiney

The elements in group 17 of the periodic table are called halogens. all halogens have the same?

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Physics

Aaliyah Knight

Baby Susie's pediatrician notices that one of her eyes rotates outward and that she does not appear to be using it for vision. What is her condition and what does the pediatrician recommend?

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Physics

Triston Mcfarland

All the interconnected paths of energy flowing from species to species in an ecosystem is called a

a. trophic level.

b. food chain.

c. detrital food web.

d. food web.

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