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Houston Kelley
Physics
Make a crude estimate of the energy of such a hurricane, approximating it as a rigidly rotating uniform cylinder of air (density 1.3 kg/m3) of radius 82 km and height 5.0 km
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Kristian Dudley
Physics
how can you expalin the phenomena of three atoms needed to bond together two atoms with the law of the conservation
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Guest
Physics
What type of change occurs when water change from a solid to a iquid?
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Jerimiah Ford
Physics
Which property increases when wave wavelength decreases
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Albert Potts
Physics
A girl that has a mass of 55kg is standing on a floor, how much supporting force does the floor have?
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Casey Palmer
Physics
What amount of temperature do you need to make a metamorphic rock?
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Jase Washington
Physics
What is the current hypothesis on how the Earth was formed?
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Itsy
Physics
a 7.3kg gallon paint can is lifted 1.78 meters vertically to a shelf. what is the change potential energy of the paint can
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Guest
Physics
How does wave energy impact the erosion of a rock?
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Amiyah Griffith
Physics
The luminous star Alnilam in the Orion belt is 1,340 light-years away from Earth. Use the conversion factor 1 parsec = 3.262 light-years to find the closest conversion of this distance from light-years to parsecs (pc).
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Alexa Pittman
Physics
How do astronomers know what conditions exist inside the Sun?
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Ralphie
Physics
An object is moving but we don't know its mass or velocity. A force of 20 newtons to the right
is exerted on the object for 20 seconds. What is the (vector) change in linear momentum for the
body as a result of this impulse?
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Chace Maxwell
Physics
Which friction-reducing technologies are used in the Variable Compression Turbo Engine?
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Ashanti Arnold
Physics
A quadraphonic car stereo operates on electric current provided by the car's 12V battery and is connected in series. Each channel of the stereo, which feeds the electrical signal to one of the stereo's four speakers, has a resistance of 4.1 oums. How much current is in the circuit of each stereo channel?
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Anna Maddox
Physics
A cement block accidentally falls from rest from the ledge of a 15.0m high building. When the block is 14.0m above the ground, a man who is 1.71m tall looks up and notices that the block is directly above him. How much time does he have to move out of the way?
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