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Physics
Page 76
Questions (146,487)
What does temperature measure?(1 point) Responses relative heat of an object or substance compared to its environment relative
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What happens when thermal energy is applied to a substance?(1 point) Responses Its atoms gain kinetic energy. Its atoms gain
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How does an open parachute slow a skydiver's fall?
• The parachute increases the force opposing gravity. O The parachute pulls
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What does an object's weight measure?
A. the amount of matter the object contains B. the gravitational force that is acting on
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Which object will experience the least amount of gravitational attraction toward Earth?
A. a 380-gram cup B. a 75-gram calculator
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Question
Which scenario correctly illustrates heat?(1 point) Responses ice in a cold glass of water remains ice and never melts
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what causes the spinning rotor spin? a)large electromagnet b)turbine c)the transmission line d)high pressure
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Which scenario correctly illustrates heat?(1 point)
cold person gets even colder when they sit in a sauna with a temperature of
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quick check
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Electric Circuits Quick Check
1 of 51 of 5 Items Question A circuit in a home provides power to a light fixture. The homeowners
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LLL
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Which object has kinetic energy?
Responses a rock resting on a log a rock resting on a log - no response given A balloon rising
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oger wants to use a magnet to pick up a sheet of metal, but his magnet is too far away to attract. What is a possible solution?
a
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Roughly, it takes light less than 0.000000003 of a second to travel a one-meter distance. Express this number in the form of a
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An electromagnet is a coil of wire with a current running through it. This creates an electromagnetic field. An additional
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Four identical bulbs are set up in a series circuit with an 8V battery. The voltage across each bulb is
A 8 volts. B 2 (8 ÷ 4)
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Noah Jamarion Henderson
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The sound of a plucked guitar string travels through the air and strikes the eardrum of a person in the same room. How does the
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fffreak
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What happens when thermal energy is applied to an ice cube
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Me
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Which option is the force with the greatest magnitude? (1 point)
• the force needed to lift a pencil • the force needed to
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Which statement about gravitational attraction is correct?(1 point)
Responses All objects with mass experience gravitational
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A team of engineers is working with a wind turbine. The team is working with a model and testing different angles for the blade
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poop
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Who's the table to answer the question number of cups of lemonade sold versus the temperature of the day Jeremiah had a lemonade
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Conductors and Insulators Quick Check
4 of 44 of 4 Items Question Which statement describes a similarity between conductors and
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Pulleys and Inclined Planes Quick Check
4 of 44 of 4 Items Question Use the image to answer the question. An illustration shows a
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The graph shows the distance an object travels over time.
Which table correctly describes the object's motion during each
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Which statement best defines the resistance of an electric circuit?(1 point)
Responses It limits the amount of electrical energy
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How can a simple fixed pulley make a job easier?(1 point)
Responses by decreasing the work done by decreasing the work done by
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e
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The graph shows the distance an object travels over time. Which table correctly describes the object's motion during each
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se the table of electric force between objects in two different interactions to answer the question.
Interaction Charge on Object
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baby weiner
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Circuit A has a voltage of 10 V, and circuit B has a voltage of 15 V. Which statement about the circuits is correct?(1 point)
Res
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baby weiner
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In which situation did the car achieve the greatest efficiency? (Assume the cars all have the same mass.)(1 point)
Responses a
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wasssupppp
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How does a maglev train move forward?(1 point)
Responses Magnets in the sides of the tracks constantly repel and attract magnets
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2. How are wavelength and frequency affected when they are transferred from a guitar string to the air?(2 points)
a. The
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Which of these correctly identifies and explains which circuit is series vs parallel?
Responses Circuit 1 is a series circuit
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Which example represents a class 2 lever?(1 point)
Responses salad tongs picking up salad salad tongs picking up salad tweezers
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courtney is standing on a mountain above a lake, and she tosses a rock with a velocity of 48 ft/sec. here is a table of values
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Which phase change occurs when particles are slowing down and moving closer together?(1 point)
Responses Melting Melting
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A man loads a box into the back of a moving truck by pushing it up a ramp. The ramp is 4.0 m long and the back of the truck is
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e
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Question
A liquid has a mass of 25 grams (g) and a volume of 10 milliliters (mL). Calculate the density of the liquid.(1 point)
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The table below shows the densities of three contrasting liquids. Liquid A B C Density 13.6 g/mL 0.8 g/mL 1.0 g/mLBased on
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In one to two sentences, describe the relationship between harmonics and resonance frequency in a piano.
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Non contact forces unit test
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The image shows two objects placed in different bowls containing the same type of liquid.If each object displaces the same
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Drag the wire loop directly above the magnet. Click Forward and observe the wire loop and light bulb. As the magnet is moving,
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Jacob is helping store bales of hay on his uncle's farm. The bales weigh 50 pounds and he
has to lift them up over his head to
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When heat is added to water, it becomes a gas called water vapor. What happens to the water particles after the the heat is
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ANSWER CORRECTLY
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Two objects are sitting on a table. Thermal energy is being transferred from one object to another. When does this transfer of
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icky^33
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How many complete wavelengths are shown in the image do not count any partial wavelengths
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Me
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You are on roller blades on top of a small hill. Your potential energy is equal to 1,000.0 joules. Your mass is 60.0 kilograms.
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pp
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For objects in free fall, acceleration due to gravity is _________________ regardless of the direction of their velocities.
a
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pp
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Juliet wants to significantly increase the amount of kinetic energy of her bowling ball in order to increase her chances of
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pp
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Explain the process of walking across a carpet and reaching out to touch a door knob would give you a shock use the vocabulary
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