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Sammy Franco
Physics
Which term refers to the rate of change of motion?
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Desmond Livingston
Physics
How do transverse and longitudinal waves differ?
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Arthur
Physics
A force of 7.50N is applied to a spring whose spring constant is 0.298N/cm N/cm. find its change in length
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Ashtyn Spence
Physics
If an egg is a model of the Earth, match each part of the egg to the part of Earth it represents.
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Madalyn Larsen
Physics
A rectangular wooden block of weight W floats with exactly one-half of its volume below the waterline. Masses are stacked on top of the block until the top of the block is level with the waterline. This requires 20 g of mass. What is the mass of the wooden block? A.) 40 gB.) 20 gC.) 10 g
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Braden Adkins
Physics
A wave has a velocity of 24 m/s and a period of 3.0 s.
Choose the correct amplitude.
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August Haley
Physics
Which of the following is the best example of a proper hypothesis?
1. I think there is no effect on hearing if you listen to loud music only three hours a day.
2. If two objects are dropped at the same height, the heavier object will hit the ground first.
3. Children who wear backpacks do better academically.
4. Orange popsicles taste sweeter than grape popsicles.
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Guest
Physics
A car possesses 20,000 units of momentum. what would be the car's new momentum if ... its velocity was doubled?
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Vaughan
Physics
Sb-34 when operating a boat near other boats or when entering a congested area, why should you watch your wake?
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Guest
Physics
What explanation does general relativity provide for gravity?
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Guest
Physics
How does Newton's third law of motion relate action and reaction forces? They produce a net force of zero. They are equal and opposite. They are unaffected by gravity.
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Guest
Physics
An alarm clock draws 0.5 a of current when connected to a 120 volt circuit. calculate its resistance.
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Guest
Physics
Its biggest fault is the lack of carefully controlled and thoughtfully interpreted experiments.
What is being defined?
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Ray Black
Physics
Suppose you sketch a model of an atom using the ones here as a guide. How would you build a model that is ionized? How would you build a model that is radioactive?
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Lilianna Eaton
Physics
A single-slit diffraction pattern is formed on a distant screen. If the width of the single slit through which light passes is reduced, what happens to the width of the central bright fringe? Assume the angles involved remain small. A single-slit diffraction pattern is formed on a distant screen. If the width of the single slit through which light passes is reduced, what happens to the width of the central bright fringe? Assume the angles involved remain small. The central bright fringe becomes narrower. The effect cannot be determined unless the distance between the slit and the screen is known. The central bright fringe becomes wider. The central bright fringe remains the same size.
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