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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: An echo is heard when a person shouts in a canyon and the sound waves are
2 answers
Q: When a wave strikes a solid barrier it behaves like a basketball hitting a backboard. This wave behavior is called
2 answers
Q: What is the relation of bore cylinder with power stroke
1 answer
Q: Ignoring air resistance what is the velocity of an object falling toward the surface of the earth
1 answer
Q: Variables in the Naked egg experiment
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Q: What type of energy do you use jumping on a
1 answer
Q: The greater your distance from the source of harm the less your what
2 answers
Q: If you apply40 N of force on a crowbar to lift a rock that weighs 400 N what is the actual mechanical advantage of the crowbar
1 answer
Q: When you breathe out what is pushed out of your body
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Q: What changing direction is an example of a kind of
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Q: F G (m1 m2) d2 where G is the universal gravitational constant d is the distance between 2 masses m1 and m2
1 answer
Q: What is the difference between a boulder and a pebble
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Q: What causes the colum of air to produce a sound
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Q: Four 5-gram blocks of metal are sitting out in the sun and absorb the same amount of heat energy. Use the following specific heat capacity data to determine which block will increase its temperature t
1 answer
Q: Four 5gram blocks of metal are sitting out in the sun and absorb the same amount of heat energy. Use the following specific heat capacity data to determine which block will increase its temperature t
1 answer
Q: The value of the coefficient of friction the greater the resistance to sliding
2 answers
Q: The law of motion that states that an objects acceleration related to the net force applied and inversely related to the mass of the object is
2 answers
Q: Things that weigh 1 kilogram
1 answer
Q: Describes the process of water turning into water vapor.
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Q: Which phenomenon occurs when a wave encounters a non-transmitting barrier
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Q: An object displaces 652 ml of water. The volume of the object is
2 answers
Q: Because of the Coriolis effect surface currents in the Southern Hemisphere are deflected
1 answer
Q: For two obejects in space with very different masses the gravitaional force cause
1 answer
Q: Does water reflect or absorb
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Q: What variables show a direct relationship Check all that apply. the speed of a car and the distance traveled the elevation above sea level and the air temperature the number of students in a cafeteria
1 answer
Q: How do you find the net force acting on an object
1 answer
Q: What is the relationship between the period of a pendulum and the pendulum length
1 answer
Q: As an Equipment Custodian it is important that you know when to perform inventories. The frequency to updatte an inventoryis a least
1 answer
Q: With sonar what does it sound like when it hits the floor
1 answer
Q: Some people think that wind power should be used for all the electricity in the US Which argument could be used to dispute this idea
1 answer
Q: What is the word for the rate in time and distance at which a force is produced
1 answer
Q: Derive an expression for intensity of electric field at a point
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Q: What statement best describes the relationship between power and authority
1 answer
Q: What is an example of low friction
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Q: What materials can form shadow
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Q: Near the end of page 124 of your reading material you are shown a calculation to determine a car's final speed after accelerating for four seconds. If everything else in the problem remained the same.
1 answer
Q: Why is there more detail in an image produced by a TEM than a light microscope
1 answer
Q: Why must the prepared specimen for a monocular microscope be very thin
2 answers
Q: What is the plot of the happy mirror
1 answer
Q: It has a fulcrum or pivot point which can be lacated in the center near the end or at the end of this simple machine
1 answer
Q: Steel is denser than water yet steel ships float. explain
1 answer
Q: How is a bladder and a water balloon alike
1 answer
Q: A ball has a mass of 0.1 kg. The ball is given an acceleration of 30 meters per second squared What is the net force while the ball is accelerating
1 answer
Q: How does object's size affect the gravity of that object
1 answer
Q: What is an advantage of using wind for producing electricity instead of coal
1 answer
Q: What was Jack's average speed for the entire ride
2 answers
Q: True or false in transverse waves the particles of the medium move at right angles to the direction in which the wave is traveling
1 answer
Q: What are the disadvantages of liquid thermometer
2 answers
Q: When is the amplitude of a wave zero
1 answer
Q: The Spreading out of waves after they pass through a narrow opening is called what
1 answer
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