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Physics

What does the term equilibrium refer to

Karen Wright

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All waves consist of some sort of ______ that transmits energy. medium force disturbance particles

Craig Stewart

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Which of the following statements about ice melting is true? A. Energy flows from the ice to its surroundings. B. Water molecules move from their fixed position. C. Water molecules lose energy. D. The temperature of the ice increases as it melts.

Ralph Lopez

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Which type of motor is shown below? Download png

Rodney Fox

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Which of the following statements is true regarding the use of refrigerants? a. if your equipment is recovery only, refrigerant that is removed from vehicles should be poured down the drain b. recover and recycle refrigerant using epa-approved equipment c. filters from approved refrigerant equipment can be thrown in the trash d. records of the dates and quantities of refrigerant recovered and recycled are unnecessary?

Timothy Norman

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Products in which titanium is used A. usefulness, profitability B. lightness, durability C. ilmenite, futile D. automobiles, aircraft E. Beauty, rarity

Justin Parker

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How does crater density relate to the moon’s geologic history?

Rodney Fox

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How are forest fires beneficial to conifers like Jack Pines? a. Jack pine seeds are protected by forest fires. b. Pine cones are carried on the winds produced by forest fires. c. Forest fires release the seeds stored in Jack pine cones. d. All of the above.

Justin Parker

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Which of the gas giants has the largest diameter Physical science unit 5 lesson 4

Bethany Evans

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What happens to the density of a liquid that is heated

Theresa Perry

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One result of wave refraction is that _____. wave energy is concentrated on headlands projecting into the water wave energy is largely dissipated before the waves reach shore wave energy is concentrated in the recessed areas between headlands headlands are enlarged by sediment deposited on their seaward side

Eric Morgan

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Which of the following is NOT a way to increase energy efficiency? a. putting insulation in your home c. using public transportation b. recycling d. using low heat lightbulbs

Melissa Norris

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The molecular mass of sodium oxide (Na2O) is

Theresa Perry

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What are the main causes of convection currents in the asthenosphere? A. density and temperature B. temperature and pressure C. density and weight D. weight and pressure

James Washington

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What current would it need to carry in order to experience a very modest 1.0×10−3n⋅m torque?

Samantha Barber

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32. Which ramp has the greater ideal mechanical advantage? Explain your reasoning. (Image included) Download png

Carlton Burgess

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What helped create the canyons and buttes of Canyonlands National Park? a. Wind c. Water b. Acid Rain d. Plant roots

Victoria Fowler

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During which changes of state do atoms overcome the attractive forces between them

Kathy Robinson

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Which of these statements best describes a similarity between the two galaxies? Both have elongated centers. Both have centers shaped like bars. Both change their shape from time to time. Both are held together by gravitational forces.

Carlton Burgess

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A spot of paint on a bicycle tire moves in a circular path of radius 0.29 m. when the spot has traveled a linear distance of 1.31 m, through what angle has the tire rotated? give your answer in radians.

Ralph Lopez

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During the early 1900s, which of the following movements created tension in Europe? isolationism nationalism spiritualism internationalism

Kathy Robinson

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How do scientists communicate the results of investigation

Ashley Howard

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The passing of the Moon directly between Earth and the Sun is a/an

Jeremy Wood

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A 14-foot boat operating under oars after dark must show what color light to prevent a collision

Donald Ward

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The deepest point in the ocean is 11 km below sea level, deeper than Mt. Everest is tall. What is the pressure in atmospheres at this depth?

Caroline Campbell

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A sample of n2 effuses in 220 s. how long will the same size sample of cl2 take to effuse? a sample of n2 effuses in 220 s. how long will the same size sample of cl2 take to effuse? 86.8 s 388 s 350 s 558 s 138 s

James Washington

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A car travels from Boston to Hartford in 4 hours. The two cities are 240 kilometers apart. What was the average speed of the car during the trip? A. 4 km/hour B. 960 km/hour C. 36 km/hour D. 60 km/hour

Alexa Spicer

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Explain how fossil fuel use in the US makes us vulnerable to the demands of foreign countries.

Kaitlin Dean

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Radio signals travel at a rate of 3 × 10^8 meters per second. How many seconds would it take for a radio signal to travel from a satellite to the surface of the Earth if the satellite is orbiting at a height of 3.6 × 10*7 meters? A.) 8.3 seconds B.) 1.2 × 10^–1 seconds C.) 1.08 × 10^16 seconds D.) 10.8 × 10^15 seconds

Craig Stewart

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Radial fractures in a piece of glass look most like which of the following?

Karen Wright

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Which of the following is NOT a component of a lever? a. effort b. tension c. fulcrum d. load

William Cain

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If we decrease the distance an object moves we will

Ashley Howard

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Which of the following is NOT a type of galaxy?a.spiralc.ellipticalb.ovald.irregular

Zach Chandler

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Electronic signals that are smoothly varying signals produced by continuously changing the voltage or current in a circuit are a. digital signals. b. cathode rays. c. diode signals. d. analog signals.

Megan Page

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Round depressions on the moon’s surface are called _____.

Zach Chandler

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What statement is true about stable air? 1) Its never associated with precipitation 2) it tends to rise 3) it is associated with severe storms 4) it tends to resist rising

Ramon Kelly

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For light elements, what is the ratio of neutrons to protons that predicts a stable nucleus?

Heather Maxwell

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Which of the following is NOT a characteristic of S waves?. A. They travel more slowly than P waves. . B. They are also called longitudinal waves. . C. They shake particles at right angles to their direction of travel. . D. They cannot be transmitted through water or air.

Deborah Edwards

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According to the nebular hypothesis, which of the following is true? The nebula expanded outward. Gas and dust flattened into a disk shape. The sun used up all the gases in the nebula. The planets were created by the solar wind.

James Washington

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An airplane is traveling 835 km/h in a direction 41.5 ∘ west of north. Find the components of the velocity vector in the northerly and westerly directions. How far north and how far west has the plane traveled after 2.20 h ?

Zach Chandler

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During a softball game, a batter hits a ball upward from an initial height of 3 feet. the height, in feet, of the softball is given by s(t)= -16t+70t+3, where t is the time in seconds and t>=0 which is the closest to the time when the softball will be 50 feet above the ground?

Donald Ward

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When the boy tire maker married the girl tire maker what did everyone say?

Justin Parker

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How can you prevent static sparks while filling your boat's fuel tank?

Kaitlin Dean

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Rank the following compounds in order of decreasing vapor pressure. Rank from highest to lowest vapor pressure

Tara Andrews

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Which of the following is the best description of health protection?

Jeremy Wood

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What does arranging figures in a pyramid shape indicate?

Annie Barnes

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How many photons strike the cd surface during the playing of a cd 69 minutes in length?

Cynthia Baker

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How does a pie chart help form conclusions? A. Plotting all of the observations. B. Showing a constant ratio with the trend line. C. Showing how data falls into categories with the regulative wedge size. D. Showing quantity by category.

Kyle Mckinney

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A failure of the red-sensitive nerves in the eye to respond to light properly causes

Cynthia Baker

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What distinguishes the savanna and grassland biomes? a. woody plants b. large predators c. seasonal precipitation d. herds of herbivores

Samantha Barber

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