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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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Q: Who is considered the father of electromagnetism
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Q: What experiment convinced ernest ratherford that the atom has a smallpositively charged nucleus
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Q: A person is on an elevator that moves downward with an acceleration of 1.8 ms squared. If the person weighs 686 n what is the net force on the person
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Q: A bus which speed is 20 ms starts braking at a ratio of 3ms each second. Find the distance is travels before stopping.
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Q: Is The reason a penny thrown straight up inside a bus will come back to your hand is because you the bus the air inside the bus and the penny are all moving at the same velocity
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Q: How does inert gas do on a light bulb
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Q: How much does grapes weigh in ounces
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Q: When the ball falls back toward the floor its energy increases and its decreases
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Q: What is -40 degrees celsius in farhrenheit
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Q: Book on a shelf potential or kinetic energy
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Q: A 6 kg rope and radius of gyration 40 cm is spinning at 300 rpm. Find the moment of inertia and the rotational kinetic energy.
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Q: How do you give something more thermal energy
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Q: What is best describes an electric current
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Q: The wavelength of a sound wave is 18 cm. The frequency of the wave is 1900 Hz. What is the speed of the sound wave
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Q: How many protons neutrons and electrons are there in 3He
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Q: Determine the field strength E experienced by a test charge q if a charge of 1.0 x 10-6 coulombs is placed on q and a force of 6.2 N is applied.
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Q: How much does a 2x6x12 board weigh
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Q: The refractive index of diamond is 2.42. What is the critical angle for the light passing from the diamond to the air
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Q: How does a ct breathe air
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Q: Which Special load in a circut that slows down the flow of electrons
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Q: How does side-scan sonar differ from ordinary soanr
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Q: How are the angles of incidence and reflection of light related
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Q: In a stadium fans stand up and sit down to produce a wave across the stadium. This type of wave where the material travels perpendicular to the direction of travel of the the wave. Which type of wave
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Q: Molecules of two solid substances actually collide with each other to transfer energy in this method of heat transfer.
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Q: Changes in the level intensity amount location or form of something are known as .
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Q: The path of motion of a thrown javelin is an example of motion (1 point)
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Q: A 0.49 kg squirrel jumps from a tree branch that is 3.6 m high to the top of a bird feeder that is 1.5 m high. What is the change in gravitational potential energy of the squirrel (The acceleration du
1 answer
Q: An engineering team designs a new rocket that is faster and lighter than any other model being produced. However the materials end up being so expensive that no company can afford to buy them. Which s
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Q: An engineering team designs a new rocket that is faster and lighter than any other model being produced. However the materials end up being so expensive that no company can afford to buy them. Wh
1 answer
Q: Suppose you were standing on a scale in an elevator in free fall what would the scale read
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Q: A 5.0 kg bowling ball is rolling down the lane at 4.0 ms. What is the kinetic energy of the bowling ball
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Q: How does the force and time change the momentum
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Q: What is the forces that keeps the balanced rock balanced on its tiny pedestals
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Q: A fast-flowing river of air that forms when two air masses of very different temperatures meet is called a
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Q: If the approximate energy of a photon present in an X-ray is 8.0 and times 10-15 joules what's the frequency of the X-ray Given Planck's constant is 6.63 and times 10-34 joule and middotseconds.
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Q: What term is used to describe a system that loses energy to objects that are not part of the system
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Q: How much force is required to accelerate a 50 kg mass at 2 m per s per s
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Q: Given a force of 100 N and an acceleration of 5 m per s per s what is the mass
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Q: An object moving in one direction slows down then the direction of its acceleration is the same asopposite toperpendicular to the direction of its motion.
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Q: Suppose that you are running down the street at 6 msec. You see your dog ahead and speed up to 10 msec over 20 sec to catch him. What is your acceleration in ms2
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Q: Which method of heat transfer can take place if two objects at different temperatures are placed without touching each other in a vaccum placed
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Q: A nuclear power plant produces energy through nuclear fission reactions that provide heat to create steam which then powers a turbine and generator that create electricity true or false
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Q: If an object floats in oil then does it float in water
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Q: All the molecules of a substance possess the average kinetic energy value. True False
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Q: Is mud translucent
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Q: Why does a book that as sliding across a table eventually slow down and stop
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Q: A 20 kg object falls from a height of 30 meters. How many jouls of kinetic energy will the object have just before it hits the ground
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Q: What happens the the kinetic energy of a falling object
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Q: Why several measurement are taken for each quantity in an eperiment
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Q: What do most materials do when they are cooled
2 answers
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