How does a centripetal force cause circular motion?
A. it acts at a right angle to the...
How does a centripetal force cause circular motion?
A. it acts at a right angle to the objects motion and causes the object to constantly change direction
B. it acts at a right angle to the objects motion and causes the object to constantly change speed
C. it acts in the direction of the objects motion and causes the object to constantly change direction
D. it acts in the direction of the objects motion and causes the object to constantly change speed.
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Explain why the aperture of the spherical mirror should be small compared to the radius of curvature of the mirror.
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Ascientist is tracking an object orbiting the sun that is found between mars and jupiter. in order to classify the object as an asteroid, it must be at least
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Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?
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Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.
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