Physics, 24.05.2021 19:50 Joellel2941
Which is true for a substance that releases energy? A. The energy release decreases the molecular motion and the kinetic energy of the substance. B. The energy release decreases the molecular motion but increases the kinetic energy of the substance. C. The energy release increases the molecular motion and the kinetic energy of the substance. D. The energy release increases the molecular motion but decreases the kinetic energy of the substance. E. The energy release is used only to change the state of the substance.
Answers: 3
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Aferris wheel is a vertical, circular amusement ride with radius 9 m. riders sit on seats that swivel to remain horizontal. the ferris wheel rotates at a constant rate, going around once in 9 s. consider a rider whose mass is 56 kg. at the bottom of the ride, what is the perpendicular component of the rate of change of the rider's momentum? at the bottom of the ride, what is the vector force exerted by the seat on the rider?
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Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.
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If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?
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Physics, 22.06.2019 18:00
Asynthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard deviation 3.5 psi. how is the standard deviation of the sample mean changed when the sample size is increased from n equals 8 to n equals 47
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Which is true for a substance that releases energy? A. The energy release decreases the molecular mo...
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