Physics Questions

A tank with a flat bottom is filled with water to a height of 4 meters. What is the pressure at any point at the bottom of the tank? (You can ignore atmospheric pressure when calculating your answer.)A. 18.9 kPaB. 9.8 kPaC.39.2 kPaD. 4.0 kPa
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What came before the big bang is one of the primary unanswered questions about the origin of _____.
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Every 100,000 years, the Earth's orbit becomes more elongated. This change in orbit has caused past ice ages and is called a _____. condensation cycle Milankovitch trend Milankovitch cycle elliptical cycle
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An object is placed at 0 on a number line. It moves 3 units to the right, then 4 units to the left, and then 6 units to the right. The displacement of the object is
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Light can travel through a medium, but it does not require a medium.a. Trueb. False
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How would clearing a forest to plant corn affect an enviroment
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Acceleration is defined as the rate of change for which of the followingA. timeB. velocityC. positionD. displacement
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A poet endowing animals, objects, or abstract ideas with human characteristics is using the figure of speech called _____.
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The process in which a substance changes from a gaseous state to the liquid state is A. critical temperature. B. absolute zero. C. evaporation. D. condensation.
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Stars are powered by _____ reactions.fissionfusionchemicalelectrical
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What function do capillaries serve in the cardiovascular system?A.carry blood to the brainB.return blood to the lungsC.help control body temperatureD.replace old blood cells
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The blue end of the visible color spectrum has wavelengths, and the red end has wavelengths.
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The sun is the ultimate source for energy on the Earth.a. Trueb. False
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What occurs when someone places an ice pack on an injured ankle?Conduction causes the ice pack to lose thermal energy. Conduction causes the ankle to gain thermal energy. Cold from the ice pack is transferred to the ankle. Heat from the ankle is transferred to the ice pack.
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What is the source of geothermal energy? User: What is the source of geothermal energy?A. sunlight heating surface waters B. the splitting of atoms to release energy C. natural underground reservoirs of steam and hot water D. very hot minerals deep underground
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A unit of power equal to 746 watts is a
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Yello light on a red object, the object appears what color ?
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a motorcycle accelerates from 15 m/s to 20 m/s over a distance of 50 meters. what is its average acceleration?
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