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Physical Science Geology Moon Planetary Science

04/27/19

Is there geological evidence that the moon once collided with the Earth?

I've seen models in astronomy that show how the Earth-Moon system must have come together after a collision. However, I have not heard whether there is any actual physical evidence on Earth that... more

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Physical Science

04/23/19

Science question answer needed ASAP

Explain how a bicycle could hit a smart car and cause the smart car to move.

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Physical Science

04/23/19

Science question answer needed ASAP

A playdoh ball and a Frisbee both have a mass of 0.124 kg. The playdoh ball is moving2.00 m/s when it collides with the stationary target Frisbee. Explain what happens next.(This needs to include a... more

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Physical Science

04/23/19

Science question answer needed ASAP

Using conservation of momentum, explain how two vehicles can collide and the finallocation is the same as their spot of collision.

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Physical Science

04/23/19

Science answer needed ASAP

Explain three ways a race car could increase its acceleration.

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Physical Science Temperature Meteorology

04/22/19

July/August hottest months (northern hemisphere): because of continued warming or other effects?

In the northern hemisphere, July and August are the hottest months statistically<sup>1</sup>, but the days start shortening after June 21st. Is this just because the Northern... more

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Physical Science Kinetic And Potential Energy

04/21/19

Carrie moved a suitcase a total of 12 meters from her room to the front door. She used a force of 50 Newtons. Is the amount of work Carrie did to move the suitcase?

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Physical Science Meteorology

04/21/19

Why are hail storms always brief?

It can rain all day, and it can snow for hours on end, but hail always seems to fall for short periods only. Why don't you get prolonged periods of hail?

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Physical Science Geology Earth Science

04/20/19

What evidence did Alfred Wegener have for the Plate Techonic theory?

What was his evidence that made him believe that Mid-ocean mountain ranges mapped with sonar?

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Physical Science

04/20/19

Abouy energy stored in atom

Ccompared to red light ,blue light has higher frequency and why

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Physical Science Geology Geophysics Mineralogy

04/20/19

Why are minerals found in "large" quantities and not scattered throughout the earth as individual atoms?

Heavier elements are created in stars. After stars die they scatter these heavier elements throughout the universe. These elements eventually gather to form planets. But why do we find "chunks" of... more

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Physical Science Geology Sea Level Oceanography

04/20/19

Can rocks have pressure signatures?

Since rocks can have magnetic signatures, as is the case with paleomagnetism, can they store past pressures also? For example, when researchers are trying to determine past ocean levels, they... more

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Physical Science Weather Meteorology Snow

04/20/19

What constitutes a blizzard in meterological terms?

Blizzards are most commonly associated with a large amount of snowfall and low visibility. However, snow squalls can induce low visibility whereas a 12" snowfall doesn't have to induce low... more

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Physical Science Geology Measurements Stratigraphy

04/20/19

Width of strata in stratigraphic column?

I am trying to understand whether there is one "standard" meaning of the width of represented strata in stratigraphic columns, but I can find nothing online or in my geology books. I notice that,... more

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Physical Science Astronomy Geology The Moon

04/18/19

Do we have knowledge of the geology of the moon?

With reference to the Ebb and Flow lunar satellites, was there any data about its geology? Is there a central core, or is it homogenous?

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Physical Science Chemistry

04/18/19

How many reactant gas molecules, How many gas molecules are there, Does the entropy increase ore decrease in the following N2(g) +3H2(g) -> 2 NH3(g)

In the reaction given below, give the following answers (separate each answer with a comma and space): a) How many reactant gas molecules are there? b) How many product gas molecules are there? c)... more

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Physical Science Geology Stratigraphy Geochronology

04/18/19

How to interpret the use of late and early Tertiary from older literature?

When reading older papers how should I interpret the use of "Late Tertiary" and "Early Tertiary"? Would these periods equate to Paleogene and Neogene, or was there a different accepted boundary age... more

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Physical Science

04/17/19

A family pool holds 10,000 gallons of water. How many cubic meters is this? Answer needed ASAP

264.2 gal = 1 cubic meter

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Physical Science Temperature Meteorology Clouds

04/12/19

Are cloudy nights warmer than nights without clouds?

I have noticed this winter that nights without clouds (especially when the 12h before the night where not cloudy) were way colder than the cloudy ones. It makes sense to me because the clouds can... more

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Physical Science Science Act Science

04/12/19

Two crates are submerged under water. The crates are identical in size, but Crate A is filled with iron and Crate B has only air inside. Which crate has a greater buoyant force acting on it?

Two crates are submerged under water. The crates are identical in size, but Crate A is filled with iron and Crate B has only air inside. Which crate has a greater buoyant force acting on it? 1)... more

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Physical Science Geology Erosion Stratigraphy

04/12/19

How have global sedimentation rates changed over the last billion years?

Do we have a graph of how sedimentation rates changed over time?

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Physical Science Mcat

04/12/19

8 liters of an ideal gas is in an isolated container at 30 degrees Celsius. The container is heated at constant pressure until its volume is doubled. What is the new temperature of the gas?

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Physical Science Geology Geochemistry Petrology

04/12/19

What are the high field strength and large ion lithophile (HFS or HFSE & LIL or LILE) elements?

There are two groups of elements that are frequently mentioned when discussing incompatible trace elements. They are the high field strength elements (HFS or HFSE) and the large ion lithophile... more

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Physical Science

04/11/19

Physical Science

What will the stpping distance for a 2000 Kg car if -2000N of force are applied when the car is traveling 20 m/s?Please show how the answer is gotten.

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Physical Science Geology Earthquakes Geophysics

04/11/19

What do the derivative or the integral of amplitude of a seismogram mean?

I'm doing a project in which I'm analyzing earthquake seismogram waves. I used a program to graph the exact amplitudes and how they changed over the course of a single earthquake. For the project I... more

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Is there geological evidence that the moon once collided with the Earth?

Science question answer needed ASAP

Science question answer needed ASAP

Science question answer needed ASAP

Science answer needed ASAP

July/August hottest months (northern hemisphere): because of continued warming or other effects?

Carrie moved a suitcase a total of 12 meters from her room to the front door. She used a force of 50 Newtons. Is the amount of work Carrie did to move the suitcase?

Why are hail storms always brief?

What evidence did Alfred Wegener have for the Plate Techonic theory?

Abouy energy stored in atom

Why are minerals found in "large" quantities and not scattered throughout the earth as individual atoms?

Can rocks have pressure signatures?

What constitutes a blizzard in meterological terms?

Width of strata in stratigraphic column?

Do we have knowledge of the geology of the moon?

How many reactant gas molecules, How many gas molecules are there, Does the entropy increase ore decrease in the following N2(g) +3H2(g) -> 2 NH3(g)

How to interpret the use of late and early Tertiary from older literature?

A family pool holds 10,000 gallons of water. How many cubic meters is this? Answer needed ASAP

Are cloudy nights warmer than nights without clouds?

Two crates are submerged under water. The crates are identical in size, but Crate A is filled with iron and Crate B has only air inside. Which crate has a greater buoyant force acting on it?

How have global sedimentation rates changed over the last billion years?

8 liters of an ideal gas is in an isolated container at 30 degrees Celsius. The container is heated at constant pressure until its volume is doubled. What is the new temperature of the gas?

What are the high field strength and large ion lithophile (HFS or HFSE & LIL or LILE) elements?

Physical Science

What do the derivative or the integral of amplitude of a seismogram mean?

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