Physics Questions

What effect did the Cold War have on the American space program?A. High levels of military spending deterred scientific research. B. The need for nuclear weapons led to less sophisticated rocket technology. C. American and Soviet scientific cooperation lessened political tension. D. Competition with the Soviet Union spurred American space missions
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Which of these is most likely to lead directly to a black market?a. a supply shockc. rationing b. a price floord. equilibrium
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The purpose of a fuse or circuit breaker is _____.to speed up the currentto slow down the currentto stop current that is flowing too fastto stop current that is flowing too slow
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The material in which a wave travels is called ____.a. a mediumc. airb. waterd. opaque
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The cloud of interstellar dust and gas that forms a star is known as a A. protostar.B. white dwarf.C. red giant.D. nebula.User: 15. With an average surface temperature of about 737 K, _______ is the hottest planet. A. MarsB. MercuryC. EarthD. Venus
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Because of convection, the warmest air in a room A. spreads out in all directions. B. rises toward the ceiling. C. transfers heat to the walls. D. sinks toward the floor.
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If the absolute pressure of a gas is 550.280 kPa, its gage pressure is A. 101.325 kPa.B. 651.605 kPa.C. 277.280 kPa.D. 448.955 kPa.
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Is orange juice in an orange potential energy or kinetic energy?
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Which of the following describes the pathway that nerve impulses travel while throwing a baseball
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Using information about natural laws, explain why some car crashes produce minor injuries and others produce catastrophic injuries.
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Animation skills include all of the following, except which?a. layeringc. drawingb. sketchingd. acting
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Why does water fill the bottom of a glass rather than cling to the side
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Why do you think it might be useful to know the distance between a gun fired and it's target?
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This scientist focused his study on planetary motion. One of his laws is the planets orbit the Sun in elliptical patterns.HubbleKeplerNewtonCopernicus
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Lara has noticed that all of her friends are very careful about what they eat, and they are all much thinner than she is. She wants to be healthy, but she really wants to fit in with her friends. What is the best step for Lara to take?A. Talk to a trusted adult to help her evaluate her eating and exercise in a healthy way.B.Ask her friends how they stay so thin, and use the same strategies.C. Find new friends who are not as thin so she doesn't feel any pressure.D.Try out the newest diet she's seen advertised on TV to help her lose the weight she wants to lose.
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Which explains why conduction is unlikely when ice is placed on a freezer shelf? There is no direct contact. The ice is too cold. The shelf acts as an insulator. The ice and shelf are the same temperature.
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Frost wedging happens when _____.water ions dissolve rock mineralswater freezes inside a rock, causing it to breakoxygen reacts with the chemicals in rockrocks break from repeated exposure to the Sun's heat
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Which of the following is the primary medium for beach erosion? ice gravity wind water
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