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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: If I travel 100 m N in 5 seconds what is my average velocity
4 answers
Q: What is the adjective opposite for heavy
1 answer
Q: A vector quanity has direction a scalar quanity does not
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Q: A car crash causes an acceleration of 6.2 g. what is the car's acceleration in meters per second squared
1 answer
Q: A Carnot engine takes 3000 J from a reservoir at 600 K does some work and discards some heat to a reservoir at 300 K. What is its efficiency
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Q: Example of longitudinal wave
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Q: Real life examples with mass
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Q: A 20 kg objects falls from a height of 30 meters.How many joules of kinetic energy will the object have just before it hits the ground
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Q: A 1600 kg car is traveling at a speed of 12.5 ms.What is the kinetic energy of the car
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Q: Confronting stressful situations requires time energy
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Q: As an object falls towards the ground what happen to the kinetic energy of the object
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Q: The amount of matter that a body contains is called
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Q: How do you calculate deceleration when time is not given
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Q: An original source that has survived from the past is considered a .
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Q: Since all objects are absorbing energy from their surroundings why does not the temperature of all objects keep increasing continuously
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Q: In a circuit electrons travel in
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Q: Least count in meter ruler
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Q: If you double the frequency of a vibrating object its period
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Q: Some of a waves energy is always being dissipated as heat. In time this will reduce the waves
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Q: Why do sounds grow fainter as you get further away from the sound source.
2 answers
Q: Everlasting souce of energy is
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Q: Which surface has the lowest friction
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Q: Why do we see drops of water on our bathroom mirrors when we take a hot shower
3 answers
Q: . What is the term used when sound is taken in by an object
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Q: If you double the distance between two charged objects you reduce the electrical force by a factor of 4. True or false
2 answers
Q: The youths today are more interested in the pursuit of pleasure than in academic year for the motion
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Q: Which property of an object can be describe as smooth
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Q: What happen to potential energy of a body when its height is doubled
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Q: This is electrical energy that comes from the force or energy of moving water. It is the most widely used type of renewable energy.
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Q: What energy transformation occurs in a oven
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Q: Is a creek stationary or flowing
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Q: What else could David do to an electromagnet to change its strenght
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Q: What occurs when objects free fall near the Earth and surface
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Q: Displacement vectors of 3 m and 5 m in the same direction combine to make a displacement vector that is in magnitude.
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Q: Instantaneous acceleration describes how fast a is changing at a specific instant
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Q: . The slope of a speed-time linear graph is . acceleration velocity speed direction
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Q: Why is it important for light energy to be absorbed in a radiometer
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Q: Work is made easier when what changes the direction or size of the force needed to do the work
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Q: The fact that money must withstand the wear and tear that comes from being used over and over again is a measure of its what
1 answer
Q: In water heat travels up much faster than it travels down Explain
1 answer
Q: Which object will sink in freshwater which has a desity of 1.0 gcm3
2 answers
Q: A piece of lead has a density of 11.3 g per cm cubed and a mass of 282.5 g. What is its volume
3 answers
Q: What are the advantages of laboratory thermometer
1 answer
Q: Why are sound waves classified as longitudinal waves
1 answer
Q: What happens to the other bulb if one bulb burns out
1 answer
Q: Electron microscopes use a beam of light to produce a magnified image.
2 answers
Q: 3 examples that are designed to produce pushing or pulling forces
1 answer
Q: A large ripple tank with a vibrator working at a frequency of 30 hz produces 25 complete waves in a distance of 50 cm.the velocity of the wave is
1 answer
Q: Sound travels with a different speed in media. In what order does the velocity of sound increase in these media
1 answer
Q: The separation distance between two 1.0 kg masses is decreased by two-thirds. How is the gravitational force between them affected
1 answer
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