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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.

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Questions
Q: A 2500kg car hits a fence with a force of 400 N and the collision takes one second. what is the magnitude of the impulse
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Q: 5 common materials insulators
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Q: Name 5 common materials that are insulators
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Q: How much work is done to increase a 20kg scooter's speed from 10ms to 20 ms
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Q: Definition of linear isotropic
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Q: What will the stopping distance be for a 3000kg car if -3000 N of force are applied when the car is traveling 10ms
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Q: An approaching storm is moving at 15 km per hr what do you need to know to determine its velocity
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Q: If you increase the mass of an object its acceleration decreases
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Q: An inclined plane makes work easier by increasing the distance and blank force.
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Q: When the force acting on an object points at least partially in the blank direction of the motion the work done is considered to be negative
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Q: If it takes 150 N of force to maove a box 10 meterswhat is the work done on the box
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Q: When a force moves objects over a rough horizontal surface at a constant velocity the work done against friction must
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Q: Involve a wedge
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Q: Explain the action of the conventional shock absorb on both compression and rebound strokes
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Q: In which direction does the electric field point at a position direcly south of a positive charge
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Q: Spaceship 1 and spaceship 2 have equal masses of 300 kg. sapceship 1 has a speed of 0ms and spaceship 2 has a speed of 4ms. what is the magnitude of their combined momentum
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Q: Spaceship 1 and spaceship 2 have equal masses of 300kg. spaceship 1 has an initial momentum magnitude of 9000kg-ms. what is the initial speed
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Q: Impulse is the product of a force and the blank during which that force acts
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Q: Two forklifts are traveling in the same direction the forklifts should be
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Q: A spaceship has a momentum of 20000kg-ms to the left and a mass of 500kg. what is the magnitude of its velocity
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Q: According to the law of conservation of momentumin an isolated system the initial total momentum before a collision blank the final total momentum
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Q: A player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 ms what is the horizontal velocity component of the ball to the nearest tenth
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Q: If a scooter has a mass of 20kg and a velocity of 18 ms north what is the magnitude o its momentum
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Q: What is the energy of a photon of green light that has a wavelength of 520 NM
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Q: The speed of a transverse wave in a string is 12 meters per second. If the frequency of the source producing the wave is 3 hertz what is its wavelength
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Q: Two soccer players kick the same 2-kg ball at the same time in oppposite directions. one kicks with a force of 18 N. the other kicks with a force of 10 N. what is the resulting acceleration
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Q: Is it true that in order for an object to move in uniform circular motion it must not be accelerating
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Q: What Force can be thought as either a push or a pull as long as it makes the object move in a circular path
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Q: What is the law of conservation of energy imply
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Q: Which phrase beat describes coal
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Q: What weighs 1000 milligrams
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Q: The sun procudes energy from matter in its core through the process of what
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Q: Sound waves are longitudinal waves and are also called waves.
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Q: Why is Siri so dumb
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Q: To make a loud sound to express pain or fear
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Q: Who is the Doppler effect named after
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Q: What does the word volume most likely mean used in this passage
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Q: Is a piece of string a good insulator or conductor
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Q: In motion studies the point in space and time at which motion began is selected as the .
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Q: Why does john ball want egland to change
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Q: How does the total energy radiated by a blackbody depend on temperature
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Q: What causes most energy loss in devices designed to produce mechanical energy what can be done to avoid it
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Q: Does Friction makes things go faster.
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Q: Why don't light rays that stream through an open window into a darkened room spread evenly through the entire time
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Q: If the speed is 0.8 ms what is the wavelength
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Q: What is an example of a mechanical mixture or a solution that is made up of two or more solids
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Q: A collision could occur when the distance decreases and the bearing does what
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Q: If all matter is particles what is between the particles
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Q: The winds that pushes towards the poles are called
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Q: The what of waves can change when the waves move from one medium to another
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