Consider a situation where two moving objects collide, stick to each other, and move off together.Kinetic energy
a. is definitely conserved.
b. is definitely not conserved.
c. may or may not be conserved, depending on the nature of the collision.
d. none of the above
b
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Gauss's Law: The figure shows four Gaussian surfaces surrounding a distribution of charges.(a) Which Gaussian surfaces have an electric flux of +q/?o through them?(b) Which Gaussian surfaces have no electric flux through them?
What will be an ideal response?
Which of the following general statements about light and Earth's atmosphere is not true?
A) Visible light from the Sun is absorbed in the exosphere. B) X-rays from the Sun are absorbed in the thermosphere. C) Ultraviolet from the Sun is absorbed primarily in the stratosphere. D) Infrared light emitted by Earth itself is absorbed primarily in the troposphere.
In the Grand Unified Theory, the superforce was
A) only dark energy. B) a union of the strong and weak nuclear, and electromagnetic forces. C) only in effect at low energies. D) a union of all matter and energy. E) a union of the weak and electromagnetic forces.
If molecules in a sample of gas moved so they completely missed each other, with no other effects, the gas temperature would
A) increase. B) decrease. C) remain unchanged.