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Leilani Friedman
Physics
What is projectile motion is caused by?
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Headlights
Physics
According to Newton s First Law of Motion, if you roll a ball in a straight line in an open field, what will happen to the ball?
a. The ball will continue on forever.
b. The ball will slow down.
c. The ball will not change its velocity.
d. The ball will speed up.
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Jaylee Graves
Physics
A 20.0 cm * 20.0 cm square loop of wire lies in the xy-plane with its bottom edge on the x-axis. The resistance of the loop is 0.550 Ω. A magnetic field parallel to the z-axis is given by B = 0.760 y2t, where B is in tesla, y is in meters, and t is in seconds. What is the size of the induced current in the loop at t = 0.480 s?
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Missie
Physics
What is the velocity of a plane that traveled 3000 miles from new york to california in 5 hours
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Kylee Curtis
Physics
The velocity time - graph of a body undergoing uniform acceleration is
Select one:
a. not a straight line
b. straight line parallel to x-axis
c. straight line inclined to x-axis
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Arrow
Physics
A theory is a hyothesis that has been varified by multiple investigations.
True or false
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Guest
Physics
If you were to come back to our solar system in 6 billion years what might you expect to find
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Raelynn
Physics
Kinetic energy caused by the vibration of particles in a medium such as steel water or air
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Prego
Physics
The newest CREE led has a life expectancy of mu = 50000 hours and its life probability density function is given by: f (t) = [e^ (-t/mu) ]/[mu] if t greater or = 0 and f (t) = 0 if t < 0. Calculate the chance that a led will last at least tau = 100000.
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Carina
Physics
Do you think most Americans are in good psychological health?
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Kaleb Buck
Physics
Blocks with masses of 3.0 kg, 4.0 kg, and 5.0 kg are lined up in a row on a frictionless table. All three are pushed forward by a 16 N force applied to the 3.0 kg block. How much force does the 4.0 kg block exert on the 5.0 kg block?
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Conor Bender
Physics
How insulators get discharged
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Jocelynn Gallagher
Physics
A block of ice at 0°C is added to a 150g aluminum calorimeter cup which holds 210 g of water at 12°C. If all but 2.0 g of ice melt, what was the original mass of the block of ice?
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Guest
Physics
Which of these statements best describes a similarity between the two galaxies?
Both have elongated centers.
Both have centers shaped like bars.
Both change their shape from time to time.
Both are held together by gravitational forces.
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Lil Girl
Physics
How do waves interact with water?
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