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Philip Weiss
Physics
What communication device allows us to communicate with very distant places via telephone?
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Emery Hancock
Physics
When we place an opaque object between a source of light and screen we will observe
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Reuben Skinner
Physics
Diamonds Choose one:
A. are found in carrot-shaped structures called kimberlites.
B. of industrial quality (non-gem quality) have no use and are usually discarded.
C. are exceedingly rare, which is why their price is so high.
D. are brought from the mantle to the surface in magma that hardens into komatiite.
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Alessandro
Physics
The rate at which work is done is called
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Farmer
Physics
Which of the following statement is TRUE about elastic and inelastic collisions? (Consider these to be about "perfectly elastic" and "totally inelastic.")
Group of answer choices
Most collisions tend to be partially to completely elastic.
Momentum is conserved in an elastic collision but not in an inelastic collision.
The velocity and therefore the kinetic energy of each object within a system remains constant during an elastic collision.
Most collisions are inelastic because the collision forces cause energy of motion to be transformed into sound, light and thermal energy (to name a few).
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Pintsize
Physics
Which multiplier does the word kilo represent? A. 100 B. 1,000 C. ' (1) / (100) ' D. ' (1) / (10) '
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Adriana Reilly
Physics
A rock that rolls off the edge of a cliff and falls to the ground will possess which of the following?
A
decreasing kinetic energy
B
decreasing potential energy
C
increasing kinetic energy
D
increasing potential energy
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Isaias Cross
Physics
Productivity increases when A. inputs increase while outputs remain the same. B. inputs decrease while outputs remain the same. C. inputs and outputs increase proportionately. D. outputs decrease while inputs remain the same.
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Erica Higgins
Physics
The names of the compounds FeS, NaCl, NaOH, and Pb (CN) 2 all end in the suffix
A. - ic. B. - ide. C. - ate. D. - ite.
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Asher Pearson
Physics
Whats the coldest it can be and still rain?
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Dayton
Physics
What does belligerent mean and can you use it in a sentence
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Peyton Cardenas
Physics
What is translational kinetic energy?
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Keegan Hansen
Physics
The city bus traveled 30 miles in 30 minutes. What was its speed in mph?
A. 2 mph
B. 60 mph
C. 16 mph
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Guest
Physics
Bob is pushing a box across the floor at a constant speed of 1.2 m/s, applying a horizontal force whose magnitude is 75 N. Alice is pushing an identical box across the floor at a constant speed of 2.4 m/s, applying a horizontal force.
What is the magnitude of the force that Alice is applying to the box?
F = N
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Kamila Peters
Physics
Calculate the change in momentum of a 0.140 kg baseball that starts at rest and is struck by a bat with a contact time of 0.32 seconds for 100 N.
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