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Physics

Erik

If 30ml of a fluid has a mass of 63g what is it's density

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Physics

Francesca Warner

If we double the mass of the sun, what would happen to the gravitational force between the sun and earth?

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Physics

Rhys Terry

Why was Wegner's theory of continental drift not accepted by the scientific community?

he had no friends in the community

he could not explain how the continents moved

his suggestion of land bridges was not accepted

he could not explain why the coastlines fit together like puzzle pieces

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Physics

Guest

Which phrase accurately describes erosion? A. breaking rocks into smaller pieces and reforming them into new rockB. forming rocks and depositing them in new placesC. moving bits of rock and soil across the earth's surface by water, wind, or glaciersD. forcing rocky plates against each other and creating mountains

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Physics

Madison Delacruz

Find the difference in the pressure between the Dead Sea (400m below) and Amman (1000m above) the sea level. The density of the air = 1.29 kg/m3

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Physics

Sarah Lyons

Which type of institution employs the most forensic anthropologists on a full time basis?

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Physics

Pamela Charles

The cost, density and resistivity of copper, steel and aluminium

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Physics

Gwendolyn Johnson

How do the charges compare when two objects are charged through friction?

The objects become oppositely charged and have equal amounts of charge.

The objects become positively charged and have equal amounts of charge.

The objects become negatively charged and have different amounts of charge.

The objects become oppositely charged and have different amounts of charge.

898

Save and Exit

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Physics

Shadow

Potential energy and kinetic energy are forms of what kind of energy? 1. chemical 2. nuclear 3. electromagnetic 4. heat 5. mechanical

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Physics

Ivan Mcguire

Which element has the greatest number of valence electrons available for bonding?

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Physics

Miguel Dillon

A sailboat starts from rest and accelerates at a rate of 0.13 m/s2 over a distance of 458 m.

(a) Find the magnitude of the boat's final velocity.

m/s

(b) Find the time it takes the boat to travel this distance.

s

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Physics

Anastasia Christensen

The emission of a Beta particle has the effect of?

Decreasing mass by one unit

Increasing mass by one unit

No change in mass

Adding a proton to the nucleus

Adding a proton of zero mass to the nucleus

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Physics

Kaylynn Reyes

How is the moment magnitude scale used to describe earthquakes?

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Physics

Milagros Rowland

What force causes warm molten rock to move upward in the mantle?

a. Convection

c. Refraction

b. Radiation

d. Conduction

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Physics

Clark Webb

When are magnets attracted and when are they repelled.

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