Physics Questions

The momentum of a bald eagle in flight is calculated to be 345. The mass of the eagle is 5.0 kg. What is the magnitude of the velocity of the eagle?
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Democritus was the first to state that matter is made of tiny particles that? a-cannot be divided b- can be divided c-are small and round
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A thermogram identifies the warm and cool parts of an object by using
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Predict how heat would flow if beaker A is moved so that it's touching beaker B A. Heat would flow from beaker B to beaker A. B. No heat flow would take place between the beakers. C. Heat would flow from both beakers. D. Heat would flow from beaker A to beaker B.
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An element can be identified by its spectrum. True False
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The slope of a position vs time graph is equal to what
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What is the lowest possible temperature
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What happens to a falling object when the force of air resistance equals the force of gravity?a. it shows a projectile motion b. it reaches terminal velocityc. it shows increasing acceleration d. it begins to slow down
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A 0.05-kg car starts from rest at a height of 0.95 m. Assuming no friction, what is the kinetic energy of the car when it reaches the bottom of the hill? (Assume g = 9.81 m/s2.)
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A 25-gram paper cup falls from rest off the edgeof a tabletop 0.90 meter above the floor. If thecup has 0.20 joule of kinetic energy when it hitsthe floor, what is the total amount of energyconverted into internal (thermal) energy duringthe cup’s fall?(1) 0.02 J (3) 2.2 J(2) 0.22 J (4) 220 J
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If 1.3 grams of air has a volume of 1000cm ^3, what is the density of air? A) 1300g/cm^3B) 1001.3 g/cm^3C) 769.23 g/cm^3D) 0.0013 g/cm^3
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At room temperature and pressure, alcohol is in which state of matter? solid, liquid, gas, or plasma **not sure!
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Using newton's second law of motion, if the force on an object is 20n, and its mass is 5g, what is the acceleration? Can someone explain to me in a simple way how to do this? I have tried but the formulas I see are confusing. Thank you :)
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Lead has a density of 11.3 g/cm3 and a mass of 282.5 g. What is its volume?
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The work done in lifting an apple one meternear Earth’s surface is approximately(1) 1 J (3) 100 J(2) 0.01 J (4) 1000 J
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A 0.145 kg baseball is thrown horizontally at 15 m/s from a platform, so that it starts at 5.2 m above the ground. How much has its kinetic energy increased when it reaches the ground? 16 J , 24 J , 0 J , or 7.4 J ? :/
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For a conclusion to be accepted by the scientific community, the data must be accurate, free from error, andA.reproducible.B.varied.C.unique.D.surprising
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What does the color of a star determine
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