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Miriam Lopez
Physics
Which is a symptom of the common cold
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Chandler Brewer
Physics
Which statement explains how brakes slow down a car
answer
a they apply an angular acceleration in the direction of motion.
b they apply a torque in the direction of motion
c they apply an angular acceleration opposite the direction of motion
d they apply a torque opposite the direction of motion
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Ashley
Physics
The energy associated with the random motion of molecules or atoms within a substance is
A.
electromagnetic energy.
B.
gravitational potential energy.
C.
thermal energy.
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Marcos
Physics
Determine the final temperature of a gold nugget (mass = 376 g) that starts at 398 k and loses 4.85 kj of heat to a snowbank when it is lost. the specific heat capacity of gold is 0.128 j/g°c. 398 k
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Octavio
Physics
Mary borrows $5,000 dollars from her mother at a 3% simple interest rate and pays her $600 in interest after (Math
Processing Error) years. What is the value of (Math Processing Error) ?
2
3
5
4
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Kaliyah Arnold
Physics
Which is the best example of the law of conservation of energy?
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Hayden Phillips
Physics
A 1,160 kg satellite orbits Earth with a tangential speed of 7,446 m/s. If the satellite experiences a centripetal force of 8,955 N, what is the height of the satellite above the surface of Earth? Recall that Earth's radius is 6.38 * 106 m and Earth's mass is 5.97 * 1024 kg.
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Sara Dixon
Physics
If manuel weighs 375 n and is holding the box. how much force is the floor exerting on him? (include direction)
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Rosemary Conley
Physics
Scientist A believes she has discovered a new procedure that is better than a procedure currently in use by physicians. She tests her procedure on several occasions and achieves excellent results. Her procedure could be accepted as the best when a community of scientists A) accept Scientist A's procedure automatically because of her credentials. B) carry on further discussion, using many trials if experimentation is needed. C) carry on further discussion, using only a few trials if experimentation is needed. D) reject Scientist A's procedure; once a procedure is put into place, it can't be altered with new evidence.
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Evangeline Brown
Physics
How do the properties of salt compare with the properties of sodium and chlorine
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Evans
Physics
What is a controlled experiment? none of the variables are changed all variables are kept constant two variables are changed at a time one variable is changed at a time
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Osvaldo Dean
Physics
What human disease can result from exposure to ultraviolet radiation from the sun?
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Guest
Physics
Which scientific activities will Juno conduct on its trip to Jupiter?
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Cohen Duarte
Physics
A 5000 kg truck is parked on a 7.0∘ slope. how big is the friction force on the truck?
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Shyla Mayo
Physics
What force could prevent the universe from expanding forever
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