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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: As a block slides across a horizontal surface with constant velocity describe the changes of the energy that would occur within the block.
1 answer
Q: Why must quarks be always combined in twos or threes
1 answer
Q: Does TV have electromagnets
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Q: Which best describe how the sun energy impacts the process of precipitation
1 answer
Q: The light that passes a polarizing filter is called
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Q: The main difference between heat and temperature is that temperature is solely dependent on the
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Q: What can light act as stream
1 answer
Q: Is a tree branch a conductor or a insulator
1 answer
Q: Two toy cars are being raced down a ramp. A graph representing their motion is shown below.
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Q: What is the difference betweenthe force of gravity to the force between electric charges
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Q: Who said bureaucracy is a necessary evil for work to be done
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Q: How do the tension of the cord and the force of gravity affect a pendulum
1 answer
Q: According to the Hooke and law formula the force is proportional to what measurement
1 answer
Q: What kind of high energy radiation is released from a nuclear reaction
2 answers
Q: List two details that support the idea that matter has properties that can be observed
1 answer
Q: As a wave nears the shore its characteristics begin to change when the water depth is half of its .
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Q: What if your mass is 75kg. You stand on a scale in an elevator that is about to go down. Starting from rest the elevator accelerates at 2.0ms squared for 2.0s then travels at a constant speed. What do
1 answer
Q: If the temperature is 273 in kelvins what is the degrees in celsius
3 answers
Q: Describe the behavior of light that enables magnifying lenses and contact lenses to bend light rays.
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Q: What does absolute zero
2 answers
Q: What of the following is a form of stored energy
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Q: Which state of matter is made up of particles that are held firmly in place
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Q: If an object is suspended in a fluid neither sinking nor floating then
1 answer
Q: A 10 kg rock is pushed off the edge of a bridge 50 meters above the ground. what was the kinetic energy of rock befor it began to fall
2 answers
Q: Is climbing mountain an example of force and motion
4 answers
Q: Newton's Second Law of Motion states that when an unbalanced force acts on an object the object decelerates.
2 answers
Q: Newton's First Law of Motion states that an object at rest tends to stay at rest and an object in motion stays in motion with a force that is equal to its propelling force.
3 answers
Q: A golfer tees off and hits a golf ball at a speed of 31 ms and at an angle of 35 degrees. What is the vertical velocity component of the ball Round the answer to the nearest tenth of a ms.
3 answers
Q: Boy is pushing a 30 kg box across the floor at a constant velocity of 0.5 ms. How much work in Joules is done by the boy on the box if the velocity change to 1.0 ms
1 answer
Q: The force of gravity on a projectile in motion is considered positive.
2 answers
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. How far did the ball travel before it hit the ground Round the answer to the nearest m
1 answer
Q: How waves move at angles to the direction of movement
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Q: The brain waves that characterize the sense of relaxed wakefulness we experience while lying on a beach or in a hammock or when resting after a big meal are waves.
1 answer
Q: Why is white light made of many colours
1 answer
Q: Example pushing on a wall
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Q: The gravitational force between two masses is 36 N. What is the gravitational force if the distance between them is tripled
1 answer
Q: The fine adjustment knob is used to focus an image on what powers
2 answers
Q: In an isolated system two cars each with a mass of 1000 kg collide. Car 1 is initially at rest while Car 2 was moving at 10 ms. They move off together. What is their speed
2 answers
Q: What is between the north and south ploe and 60 begres latitude buzzing along in cold dry dense air horizanatl air currens are called
1 answer
Q: Which situation would produce a total displacement of zero
1 answer
Q: At a given moment in time instantaneous speed can be though of as the magnitude of instantaneous of what
1 answer
Q: The nuclear accident at Chernobyl was than the accident at Three Mile Island.
1 answer
Q: Hot air rises due to its difference in
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Q: The term for free electrons in metals transferring energy by colliding with other atoms or electrons
1 answer
Q: What is the pressure of an air conditioning unit on a 90 degree day
2 answers
Q: The term for free electrons in metals transferring energy by colliding with other atoms or electrons is
1 answer
Q: Liquids that do not mix form into layers when they have different densities.
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Q: How much time would it take for the sound of thunder to travel 1500 meters if sound travels at a speed of 330 meters second
1 answer
Q: Distance is the magnitude of average volicity
2 answers
Q: If your speed changes from 10 kmh to 6 kmh you have a(n) acceleration.
1 answer
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