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Lilian Arroyo
Physics
In our physical world, by far, the most abundance free charge in the universe is the electron, which has a negative charge. What do we mean, then, when we say that the surface of an object is positively charged?
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Annika Daniels
Physics
You're going camping and are thinking of carrying 3 gallons of water. How much does the water weigh, in units of pounds?
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Janiya Aguirre
Physics
A student is performing a double-slit experiment to determine the wavelength of a light source. She has measured the distance between dark bands and the distance between the slits and the screen. She still needs to measure:
Question 10 options:
A)
the speed of the light
B)
the width of each slit
C)
the distance between the slits
D)
the angle between the right bisector and the first minima
E)
the distance between the centre of the slits and the first minima
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Tabetha
Physics
If a substance cannot be broken down chemically into smaller substances it is
A) An element
B) a compound
C) an atom
D) a molecule
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Mathew Shelton
Physics
Describe the general characteristics of the nearest stars. (Size, luminosity, color, etc., do not include specific stars)
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Lorelei Vincent
Physics
A small object placed in the gravitational field of a more massive object will
a. accelerate toward the more massive object.
b. accelerate away from the more massive object.
c. move toward the more massive object at a constant speed.
d. move away from the more massive object at a constant speed.
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Dayton
Physics
A 0.15 kg baseball falls to the ground with an acceleration of 9.8 m/s2. What is the weight of the baseball?
A. 1.47 N
B. 1.49 N
C. 1.53 N
D. 1.64 N
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Grumpy
Physics
What is the gravitational force excerted on an object called?
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Erika Pope
Physics
What two variables is acceleration dependent on? What is the relationship between these variables and acceleration? (i. E. If you increase one variable what happens to the acceleration?)
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Katelynn Kane
Physics
1 A plane moving at 30m/s drops a load 200m down to the ground.
How long did it take to hit the ground.
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Will Arnold
Physics
What causes lightining?
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Talan Reed
Physics
On an amusement park ride, riders stand inside a cylinder of radius 7.0 m. At first the cylinder rotates horizontally. Then after the cylinder has acquired sufficient speed, it tilts into a vertical plane, as shown in the diagram. At top speed, the cylinder rotates once every.
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David Arnold
Physics
Largest group of rock forming mineral's are
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Layne Hanna
Physics
What is the efficiency of a tractor that has a work output of 300j and a work input of 400j
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Angelique Higgins
Physics
An atom with 19 protons and 18 neutrons is an
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