Physics, 15.11.2019 03:31 mkpayton2006
Achild is sliding on a sled at 1.5 m/s to the right. you stop the sled by pushing on it for 0.50 s in a direction opposite to its motion. if the mass of the child and sled is 35 kg, what average force do you need to apply to stop the sled? use the concepts of impulse and momentum.
Answers: 3
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Tungsten-filament lightbulb emits light based on the temperature of the filament. which phenomenon does this demonstrate?
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Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.
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Select all the correct answers.which two statements are true? a moving magnetic field creates an electric field.a constant magnetic field creates an electric field.a constant electric field creates a magnetic field.a moving electric field creates a magnetic field.resetnext
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Achild is sliding on a sled at 1.5 m/s to the right. you stop the sled by pushing on it for 0.50 s i...
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