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Diana Waller
Physics
difference between scalar and vector quantities?
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Micheal Arias
Physics
Ball 1, with a mass of 100 g and traveling at 10 m/s, collides head-on with ball 2, which has a mass of 300 g and is initially at rest. What are the final velocities of each ball if the collision is (a) perfectly elastic? (b) perfectly inelastic?
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Hillary Stanley
Physics
How much space something takes up is called?
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Chad Russo
Physics
In physics, why does a leave appears green to the eye of the observer?
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Guest
Physics
What are the chemical properties of Hydrogen, Vinegar and Iron?
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Harley Jackson
Physics
As a roller coaster goes downhill
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Squirt
Physics
What is the difference between how transverse waves and longitudinal waves move particles
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Jeffery Gillespie
Physics
Calculate the energy in electron volts of X-rays that have a frequency of 3.00 * 1016 Hz.
A) 120 eV
B) 124 eV
C) 366 eV
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Carley
Physics
Select the statement that correctly describes how light travels? light can travel in a vacuum, and its speed is constant even if the light source is moving. light can travel in a vacuum and willtravel slower if the light source is moving in the same direction. light can travel in a vacuum, and it travels faster if the light source is stationary. light travels only through a medium, it travels faster if the light source is stationary.
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Kyle Hancock
Physics
A gasoline engine with efficiency 25% delivers 1500 J of mechanical work per cycle. How much heat does this engine discard per cycle? (A) 6000 (B) 7500J (C) 4500J (D) 375 (E) 2000
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Abril Todd
Physics
A measure of the quantity of matter is
a. density.
c. force.
b. weight.
d. mass.
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Colon
Physics
Which of the following does a weather station model demonstrate?
Select one:
a. latitude
b. air pressure
c. altitude
d. air mass
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Messiah Whitney
Physics
The difference in electronegativity values between H and O is 1.4. What type of bond will these elements form?
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Braxton Farley
Physics
What are the main elements of wheat bread
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Stephanie
Physics
How would a planet move if the sun suddenly disappeared
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