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Physics

Astrology is the study of the Earth, Moon, and Stars in space. true or false

Brandon Scott

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Fossils cannot be used to explain changes in the earth. True or false

Kevin Sutter

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Which wavelength of light is capable of penetrating the dust of a nebula?

Eric Morgan

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What information does a star’s spectrum offer about the star?

Eric Morgan

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Fusion occurs in the _______ of the Sun, where the pressure and temperature are very high. a. photosphere b. core c. chromosphere d. solar wind

Kaitlin Dean

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A pwc capsizes. what is the best way to roll the pwc to turn it upright?

Justin Parker

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The acceleration of gravity is a constant equal to _______ meters per second squared. A. 8.4 B. 9.8 C. 7.6 D. 10.2

Megan Page

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Which best illustrates the way in which radiation transfers thermal energy? (in order from top to bottom) A. B. C. D. Download png

Annie Barnes

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If two waves with identical crests and troughs meet, what is happening? A. The wave is breaking. B. The wave is reflecting. C. Constructive interference is occurring. D. Destructive interference is occurring.

Daniel King

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The outer shell of the atoms in group D____ Are empty Are half full Are full Need one more electron to be full.Download png

Whitney Matthews

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Based on relative bond strengths, classify these reactions as endothermic (energy absorbed) or exothermic (energy released) endothermic B2+C2-->2BC A+BC-->AB+C exothermic AB+C-->AC+B A2+C2-->2AC A2+B2-->2AB

Heather Maxwell

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Which sentence contains italicized words that are used as an infinitive phrase? A. Kelly went to the grocery store. B. Tom went there for some flour. C. Mark wanted to go, but not today. D. Jane parked her car behind a truck.

Timothy Norman

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Eq-45 what type of boat requires navigation lights?

Kaitlin Dean

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A very long, uniformly charged cylinder has radius R and linear charge density λ. Find the cylinder's electric field strength outside the cylinder, r≥R . Give your answer as a multiple of λ/ ε 0

Kristi Hammond

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How was Bohr's atomic model similar to Rutherford's model? A. It assigned energy levels to electrons. B. It described electron positioning in terms of the electron cloud model. C. It described how electrons gain or lose energy. D. It described a nucleus surrounded by a large volume of space.

Cynthia Baker

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What pressure will 14.0 g of co exert in a 3.5 l container at 75°c?

Karen Wright

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What is the porosity of the gravel sample?(The sediment volume for each sample is 400ml.) a. 23.75% b. 28.75% c. 55.75% d. 81.75% if you need help to solve this question use this link. https://www.explorelearning.com/index.cfm?method=cExtAccessSecure.dspResource&ResourceID=431&certificate=authorizer%3dE2020%26userid%3dGizmos4Test%26expires%3d2018%2f01%2f08+05%3a06%3a16%26hash%3dsRFNNNyZ13MEV1BNFpQTiQ%253d%253d

Jeremy Wood

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At which lunar phase(s are tides least pronounced (e.g., the lowest high tides? at which lunar phase(s are tides least pronounced (e.g., the lowest high tides? both first and third quarters first quarter new moon full moon both new and full moons

Kristi Hammond

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Which one of the following environments will sound not travel through? A. Liquid B. Gas C. Solid D. Vacuum

Megan Page

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In what state must matter exist for fusion reactions to take place? ...?

Jeffrey Rodriguez

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An insect is able to walk across the surface of a pond without sinking because of the A. polarity of the water molecules. B. process of evaporation. C. surface tension of the water. D. adhesion of the insect's feet to the surface of the water.

Deborah Edwards

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The chief physicist in charge of the manhattan project was _____. wernher von braun j. robert oppenheimer albert einstein leslie groves

Victoria Fowler

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A rifle with a barrel length of 60 cm fires a 10 g bullet with a horizontal speed of 400 m/s. The bullet strikes a block of wood and penetrates to a depth of 12 cm. . a. what resistive force (assumed to be constant) does the wood exert on the bullet? . b. How long does it take the bullet to come to rest? . c. Draw a velocity verses time graph for the bullet in the wood.

Eric Morgan

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The four terrestrial planets that have solid, rocky surfaces are. A. Mercury,Venus, Earth and Mars B. Mercury, Jupiter, Saturn and Mars. C. Mars, Venus, Earth and Jupiter D. Mercury, Venus, Jupiter and Mars

James Washington

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Magnetic reversals have helped to support a. the theory of Pangaea. c. sea-floor spreading. b. the age of the Earth. d. the theory of Gondwana.

Daniel King

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The nuclear mass of 48ti is 47.9359 amu. calculate the binding energy per nucleon for 48ti.

Eric Morgan

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Objects in a composition occupy ____________.

Zach Chandler

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A current of 6.0 amps passes through a motor that has a resistance of 5.0 ohms. calculate the power

Nicholas Rivera

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According to the chart, jobs in information services have the best career outlook.

Alexa Spicer

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Which of the following is NOT a behavioral difficulty children with fetal alcohol syndrome face? A. problems with shyness B. problems with impulse control C. problems with language outbursts D. problems with hyperactivity Please select the best answer from the choices provided. A B C D

Annie Barnes

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A child, starting from rest at the top of a playground slide, reaches a speed of 7.0 meters per second at the bottom of the slide. what is the vertical height of the slide? [neglect friction.]

Melissa Norris

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Sunlight is a form of energy called _____. electromagnetic energy nuclear energy hydro energy magnetic energy

Jodi Brooks

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How can you optimize your physical health? a. healthy diet, adequate sleep, and cosmetic surgery b. cosmetic surgery, perfectly straight teeth, and tanned skin c. good physical fitness, disease-free, adequate sleep, and healthy diet d. good physical fitness, disease-free, cosmetic surgery, and healthy diet

Dana Keller

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A 2700 Ohm resistor and electric circuit draws a current of 2.4 Milliamperes the total charge that passes through the resistor in 15 seconds is

Kevin Sutter

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Which is colder, 0°C or 20°F?

Jennifer Patterson

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What adaptation does a wood frog have that enable it to survive in deciduous forest ?

Justin Parker

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In Niels Bohr’s model of the atom, electrons move (1 point)like balls rolling down a hill. like planets orbiting the sun. like popcorn in a popcorn popper. like beach balls on water waves.

Rodney Fox

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Distance measurements based on the speed of light; used for objects in space

Justin Parker

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DNA is coiled into chromosomes in a cell's

Justin Parker

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What is a key difference between an electrolytic cell and a voltaic cell?

Cynthia Baker

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Which statement is true for objects in dynamic equilibrium? A)Objects have zero acceleration. B)Objects have non-zero positive acceleration. C)Objects have non-zero negative acceleration. D)Objects can have positive as well as negative acceleration. E)Objects have forces which are not balanced in at least one direction.

Caroline Campbell

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Which part of a stream's sediment load moves the slowest?

Donald Ward

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If critical mass is reached, it can cause: A: electrons to split B: a chain reaction C: a fusion of uranium nuclei D: krypton atoms to split into strontium and xenon

Dana Keller

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Falling overboard is a major risk on small boats. how can you reduce this risk?

Tara Andrews

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The relationship between charges can be described by saying, a.) charges do not interact. b.) negative charges attract. c.) neutral charges repel. d.) opposite charges attract.

Jeremy Wood

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What is the resistance of a clock if it has a current of 0.30 a and runs on a 9.0-v battery? 0.033 2.7 9.3 30

Karen Wright

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There are no negative consequences to using nuclear energy. Please select the best answer from the choices provided a. True b. False

Caroline Campbell

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