What is the temperature at which water freezes in celsius
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What are the temperatures for freezing water on the celsius and fahrenheit scales? For boiling water?
Questions in Physics
How to calculate the spring constant of a rubber band
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A rubber band has potential energy of 5 J. If the spring constant of the rubber band is 50 N/m, what is the displacement of the rubber band?
0.2 m …
The first law of thermodynamics states that you cannot obtain
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The first law of thermodynamics states that energy can be transformed from one state to another, but it cannot be created or destroyed. Taking this into consideration, what can be …
What is the name of the fccla national outreach program
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What is the name of the National Outreach Project in FCCLA?
The geocentric model of the solar system is attributed to
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who is credited with popularizing the geocentric model of the solar system? brahe copernicus newton ptolemy
Who first proposed the heliocentric model of the solar system
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Which scientist was the first to propose the heliocentric model of the universe? A. Aristotle B. Isaac Newton C. Galileo Galilei D. Nicolaus Copernicus
When the moon is waxing its lighted part appears to
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During the period that the moon’s phases are changing from new to full, the moon is _____. waxing exhibiting retrograde motion waning approaching earth
What is the difference between radio waves and sound waves
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Which of the following is a difference between electromagnetic waves and sound waves?
A.
Sound waves can travel through water, while electromagnetic waves cannot.
B.
Sound waves are low energy, …
How many litres of water in an olympic swimming pool
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The level of water in an olympic size swimming pool (50.0 meters long, 25.0 meters wide, and about 2.00 meters deep) needs to be lowered 6.50 cm. if water is …
Which adjustment knob is used with the high power objective
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When using a Microscope's high power objective the course adjustment knob:
a. Can be used throughout the focusing process.
b. Can not be used with low power object
c. Can …
How fast is the speed of sound at sea level
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Practice: The speed of sound at sea level is normally about 340 m/s. A car honks its horn as it drives toward an observer. The frequency of the horn is …
How to find the force of gravity on an object
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Calculate the Force of Gravity acting on an object that has a mass of 1.3 kg. The object is on Earth so use 9.8m/s2 for the acceleration due to gravity. …
What is the mass of 2.5 liters of pure water
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What is the mass of 2.00 L of pure water?
The conversion of potential energy to kinetic energy demonstrates the
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The conversion of potential energy to kinetic energy follows the ______.
A cup of hot coffee will cool faster if it
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A cup of hot coffee can be cooled by placing a cold spoon in it. A spoon of which of the following materials would be most effective for this purpose: …
If you apply a greater force the spring constant will
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what happens to the displacement vector when the spring constant has a higher value and the applied force remains constant? It remains the same it increases magnitude it changes direction …
What happens to the dependent variable in a controlled experiment
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What happens to the dependent variable in a controlled experiment?
What force causes galaxies to move away from one another
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What will happen to the gravitational force between stars as the universe continues to expand? ...?
How do you calculate your average speed for a trip
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*please please help* Suppose you are going on a car trip with your family.
1. How could you determine the average speed for the first day of the trip? Be …
What causes gravity according to einstein's theory of general relativity
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According to Einstein's explanation of gravity, what causes Gravitation?
A. The rotation of round objects.
B. The bending of space-time by objects and the association accelerated .
C. The bending …
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Jeevandeep health and physical education std 10 answers pdf
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Base area and stability of some objects with different shapes
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Which of the following statements about safe lifting are correct
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A hair dryer with a resistance of 9.6 ohms operates at 120 volts for 2.5 minutes. the total electrical energy used by the dryer during this time interval is
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The african cicada is the world's loudest insect, producing a sound intensity level of 107 db at a distance of 0.50 m. what is the intensity of its sound (in w/m2) as heard by someone standing 3.1 m away? express your answer in watts per meter squared.
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A 5.8 x 10 4 watt elevator motor can lift
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