How does a centripetal force cause circular motion? It acts at a right angle to the object’s motion and causes the object to constantly change direction. It acts at a right angle to the object’s motion and causes the object to constantly change speed. It acts in the direction of the object’s motion and causes the object to constantly change direction. It acts in the direction of the object’s motion and causes the object to constantly change speed.
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The energy of a photon was found to be 3.38 × 10–19 j. planck’s constant is 6.63 × 10–34 j • s. which color of light corresponds to this photon?
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If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?
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Suppose a wire with a current is pushed upward by a magnetic field. how would the wire move if the direction of the current reversed? explain your answer.
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How does a centripetal force cause circular motion? It acts at a right angle to the object’s motion...
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