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Physics
Physics
Uncover the laws that govern the universe, from the smallest particles to the vastness of space. Physics seeks to explain the fundamental mechanisms of the natural world.
225k
Questions
Q: When you travel at subsonic speed are you underwater
2 answers
Q: When would two horseshoe magnet attract each otherRepelHave little effect
1 answer
Q: What are four things depending on the size of an electromagnetic force
1 answer
Q: Why a series resistor is necessary when a diode is forward-biasedexplain
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Q: What has been recorded as the most basic unit of electrical charge
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Q: Is eraser insulator or conductor
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Q: What energy transformations occur in a keyboard
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Q: How much heat does it take to raise the temperature of 7.0 kg of water from 25C to 46C The specific heat of water is 4.18 kJ(kgC).
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Q: What is the name of two energy bands at which current is produced in silicon
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Q: Is Gold earring a conductor or insulator
1 answer
Q: Why was is necessary to have a constant force acting on the cart
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Q: What is converted energy called
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Q: When calculating the force on the cart using mass times gravitywhy isn't the mass of cart included
1 answer
Q: What is the movement of liquid or gas particles from a high to a low concentration
1 answer
Q: What is the mount of heat released when 50.0 grams of steam at 100 degrees hits the skin condenses to water at 100 degrees and cool to a body temperature of 37 degrees
1 answer
Q: Which graph BEST represents the relationship between mass and inertia
1 answer
Q: What is a magnetic field and what are it's properties
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Q: What is the frictional force needed to slow something down
1 answer
Q: Which device is used to measure air temperature
1 answer
Q: How many feet per second does a AR-15 bullet travel
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Q: What are the minimum changes in set up to increase velocity ratio of single purchase crab
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Q: What kind of energy is stored eneregy
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Q: When a substance to appear white what must happen to all wavelengths of light
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Q: What charges repel each other.
3 answers
Q: What is the unit to describe the amount of electrical current passing through a ponit
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Q: What waves has the least amount of energy
1 answer
Q: In vacuum a certain wave of light has a wavelength of 600 nanometers. What is the wave's frequency
2 answers
Q: Why so some things EMIT light and others only REFLECT it
1 answer
Q: When Speed humps and speed tables are effective speed reduction measures because
1 answer
Q: What two objects would experience the greatest gravitational force
1 answer
Q: In Mark's school a bell rings to signal that it is time to move to the next class. For the past 2 months Mrs. Chen has flashed the lights on and off as this bell has rung. One day halfway through clas
1 answer
Q: What weighs 180 kg
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Q: What is the coefficient of friction of molybdenum
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Q: What Force measures over an area
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Q: What term describes an energy recourse that can be used up
1 answer
Q: How are sound waves refracted
1 answer
Q: How do you Describe the properties of a longitudinal wave
1 answer
Q: What van Allen radiation belts serve as a trap to high energy charged particles from the
1 answer
Q: What Radiation belts serve as a trap to high energy charged particles from the
1 answer
Q: What is true about magnetic field lines but not electric filed lines
1 answer
Q: Is an example of the electrostatic force acting in an atom
1 answer
Q: When describing electromagnetic radiation there is a(n) relationship between wavelength and frequency and the greater the frequency the energy the electromagnetic radiation has. A) direct less B) dire
1 answer
Q: Why can the weight of a car and its engine force never be balanced
1 answer
Q: What energy motorcycle moving slowly at the top of a hill
1 answer
Q: When force and motion can be helpful
1 answer
Q: What is the name of the variable that is changed by another variable changing
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Q: What is the name of the variable that stays the same
1 answer
Q: Which change in position of a body with time is called
1 answer
Q: What are the types of variation of atmospheric pressure in physics
1 answer
Q: Why a spectrum of an element is called fingerprint
2 answers
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