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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: What is the nuclear binding energy in joules for an atom of lithium Assume the following Mass defect 6.9986235 and times 10-29 kilograms. Use E mc2 with c 3 and times 108 ms.
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Q: What do you mean by electric flux
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Q: What happens to the light waves during absorption
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Q: The diagram below shows the force exerted on object m1 due to the gravitational attraction between m1 and m2. What is true about the force exerted on m2 due to the gravitational attraction between m1
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Q: Two waves can share the same space and pass through one another. When two or more waves overlap they interfere with one another. What type of interference occurs when the crests of one wave overlap t
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Q: In static electricity similar charges
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Q: A compressed spring has elastic potential energy.true or false
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Q: Walking across a carpet can build up a charge by
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Q: If a rock hits the ground with a KE of 33000 J after falling from a height of 10 m what is its mass
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Q: In gravitational potential energy problems the quantity (mg) is involved. This represents the
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Q: A dog is facing a concave mirror. It is standing closer to the mirror than the focal point. From which location will the reflected dog appear to be sitting
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Q: Which type of energy is stored in fossil fuels
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Q: As a moving object's velocity decreases its momentum decreases. Please select the best answer from the choices provided T F
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Q: Two different objects are moving with different velocities until they strike each other stick to each other and begin moving together. If each object and mass is known and each object and init
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Q: The tendency of an object to resist a change in motion is called a. displacement c. momentum b. inertia d. acceleration
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Q: Can heat transfer by convection happen in a solid
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Q: Can heat transfer by conduction happen between a gas and a solid
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Q: A compact car with a mass of 725 kg is moving at 30 ms. What is its momentum
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Q: A 0.4-kg toy train car moving forward at 3 ms collides with and sticks to a 0.8 and ndashkg toy car that is traveling in the opposite direction at and ndash2 ms. What is the size and direction of the
1 answer
Q: What is the total momentum between two identical balls traveling toward each other at the same speed from opposite directions
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Q: An object is at rest. Once there is enough force to overcome the inertia of the object the longer the same force acts on the moving object the (lessergreater) its change in momentum.
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Q: Two gliders with the initial velocities and masses shown below hit each other in a perfectly elastic collision (elasticity 1.0). What will be the velocity of glider 2 after the collision 0.0 ms 2.0 ms
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Q: Given the starting conditions shown below and a perfectly elastic collision what will be the total momentum of both gliders after they collide
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Q: Glider 1 starts with a mass of 2.4 kg and a velocity of 3.0 ms. What is Glider 1's starting momentum
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Q: Two gliders with the initial velocities and masses shown below hit each other in a perfectly elastic collision (elasticity 1.0). What will be the velocity of glider 1 after the collision
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Q: Describe the energy transformations that occur when you toss a ball upward and it falls
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Q: What Radiation burns which cause delayed irreversible changes of the skin can be caused by high doses of what form of ionizing radiation
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Q: Are only solid thing pulled by gravity
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Q: Choose two populations and compare them in terms of size density and dispersionYour answer
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Q: Why several measurements are taken for each quantity during an experiment
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Q: Average walking speed of children
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Q: How velocity changes with time
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Q: How do you test mirror magnification
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Q: How do the shoots of plants respond to gravity
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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
2 answers
Q: Book on a shelf potential or kinetic energy
10 answers
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
3 answers
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.
1 answer
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