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Physics

Compare the idea, physical, and computer models.

Kathy Robinson

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Occurs when fuel rods produce too much heat

Kristi Hammond

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The acclaimed environmental book, Silent Spring, was written by this woman in 1962.

Cynthia Baker

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The ability to regulate the amount of charge flowing in a circuit is Pennfoster: (A. resistance.) B. direct current. C. alternating current. (D. voltage.)

Samantha Barber

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Which device typically use DC current to operate? Select one of the options below as your answer: A. television B. washing machine C. wristwatch D. electric hair dryer E. ceiling fan

Bethany Evans

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A cook preparing a meal for a group of people is an example of

Chelsea Hayes

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What are the four basic perceptual characteristics of sound? a. pitch, loudness, quality, fidelity b. tone, duration, loudness, quality c. quality, tone, duration, pitch d. melody, loudness, quality, fidelity?

Ronald Miller

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1. During which phase of the moon may a solar eclipse occur? (Points : 1) new moon first quarter moon full moon third quarter moon Question 2. 2. During which phase of the moon may a lunar eclipse occur? (Points : 1) new moon first quarter moon full moon third quarter moon Question 3. 3. Which layer of the sun is visible during a total solar eclipse? (Points : 1) photosphere chromosphere core corona help plz

Bethany Evans

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What is the frequency of a wave having a period equal to 18 seconds

Annie Barnes

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How does an object’s motion change as a result of centripetal acceleration?

James Washington

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Old growth forests are full of sick, diseased, and decadent trees. Please select the best answer from the choices provided T F

Theresa Perry

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N an ecosystem, energy that flows to tertiary consumers ultimately originates from the sun. Please select the best answer from the choices provided T F

Daniel King

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What element x is most likely to react to form the compound xf5?

Tara Andrews

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Which statement best compares potential and kinetic energy?. . A) Objects always have more potential energy than kinetic energy.. B)Only kinetic energy increases when the velocity of an object increases. . C)Only potential energy decreases when an object’s height increases.. D)Objects always have more kinetic energy than potential energ

Tara Andrews

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Which statement is true about an atom and an element? An atom can be broken down into different substances and an element is formed when two or more atoms combine. An atom is made of identical elements and an element retains all of the characteristics of a particular atom. An atom is the smallest unit of matter and an element is a pure substance that is made of identical atoms.

Megan Page

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A box weighing 180 newtons is hanging by rope as shown in the figure. Find the tension T2.

Eric Morgan

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The concentration of atmospheric carbon dioxide is currently decreasing due to human activities. TRUE OR FALSE?. .

Craig Stewart

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A scientist is studying a shock wave from an earthquake. What kind of wave is being studied? an electromagnetic wave a gamma ray a radio wave a mechanical wave

Deborah Edwards

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Which of the following methods of improving air quality does not require advanced technology?

Whitney Matthews

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__________ is critical to safe driving. Proper seat position Hearing Vision Proper hand position

Ronald Miller

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A ball is thrown into the air with an initial upward velocity of 60 ft/s. Its height (h) in feet after t seconds is given by the function h = –16t² + 60t + 6. What will the height be at t = 3 seconds? A.) 35 feet B.) 40 feet C.) 42 feet D.) 45 feet

Bethany Evans

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Which is not true of the weak nuclear force? A) It is a repellent force. B) It acts over a shorter range than the strong nuclear force. C) It is an attractive force. D) It is weaker than the strong nuclear force.

Daniel King

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Certain materials can become superconductors under what conditions? a. When it is very hot c. Under very high pressure b. When it is very cold d. Under very low pressure

Jennifer Patterson

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Which system protects us from radiation and the vacuum of space

Amanda Johnson

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What kind of weather would an occluded front likely bring? a.sunny and warm c.thunderstorms b.much precipitation d.cold and dry

Caroline Campbell

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How do the lights in a series circuit behave when one bulb burns out? The rest of the bulbs continue to shine at maximum brightness. The rest of the bulbs continue to shine at a lower brightness. The rest of the bulbs continue to shine at a higher brightness. The rest of the bulbs stop shining and shut off.

Deborah Edwards

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Which physical science deals with stars and planets?

Craig Stewart

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Once their strength is exceeded, rocks near the surface behave like A. modeling clay. B. most metals. C. glass objects. D. caramel candy.

Victoria Fowler

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A magnifying glass is an example of which type of microscope?

Timothy Norman

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6. The albedo of the Moon is _______ that of the Earth. A. overpowered by B. more than C. the same as D. less than

Kaitlin Dean

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Which process forms exfoliation domes?

James Washington

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The ultimate source of energy that drives wind power is __________. view available hint(s) the ultimate source of energy that drives wind power is __________. the sun friction between the earth's plates, produced by plate tectonic movements and earthquakes ocean currents differences in the temperature of the earth's surface because of internal heating by magma, which occasionally rises to the surface in volcanoes

Deborah Edwards

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How does centripetal force act on a satellite in orbit?

Kristi Hammond

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What force is needed to give a 0.25-kg arrow an acceleration of 196 m/s2? A. 0.25 N B. 49 N C. 196 N D. 748 N

Samantha Barber

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A mother pushes a baby stroller 10 meters by applying 40 newtons of force. How much work was done?

Zach Chandler

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Alternate freezing and thawing often leads to ______.A. CreepB. SlumpsC. Mud flowsD. Earth flows

Donald Ward

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On outboard boats, the capacity plate provides a horsepower rating. what does this rating mean?

Jeffrey Rodriguez

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A laser pointer used in a lecture hall emits light at 650 nm what is the frequency

Amanda Johnson

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You have a pumpkin of mass m and radius r. the pumpkin has the shape of a sphere, but it is not uniform inside so you do not know its moment of inertia. in order to determine the moment of inertia, you decide to roll the pumpkin down an incline that makes an angle θ with the horizontal. the pumpkin starts from rest and rolls without slipping. when it has descended a vertical height h, it has acquired a speed of v = √(5gh/4).

Theresa Perry

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How would you describe the two projectors used to screen a three-dimensional movie? A. Both projectors have vertical polarizers. B. One projector has a vertical polarizer and the other has a horizontal polarizer. C. Both projectors have horizontal polarizers. D. One projector is horizontal and the other is aligned at an angle to it.

Cynthia Baker

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The following diagram shows resistors in ___ and is ____ of the arrangement of circuit elements in homes. 1. A. series B. parallel 2. A. typical B. not typical file:///S:/AOP.COM.Science.0900.2015/IntegratedPhysicsandChemistry2015/12/circuit_ex_6.jpg

Jessie Thompson

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How are all paths that have a displacement of zero similar?

Kevin Sutter

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During nuclear fission and fusion matter that seems to disappear is actually converted into

Annie Barnes

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Which two together represent the maximum penalty for violation of the cigarette contraband trafficking act CCTA?

Megan Page

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A satellite orbiting the moon very near the surface has a period of 110 min. use this information, together with the radius of the moon r=1.74×106m, to calculate the free-fall acceleration on the moon's surface.

Victoria Fowler

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How many shifts must you work if you wish to wash 10 loads of laundry? express your answer numerically as an integer?

Samantha Barber

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Which of the following classifications of star temperature is hottest? K O B M

Daniel King

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