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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: A baseball is thrown a distance of 20 meters what is its speed if it takes 0.5 seconds to cover its distance
1 answer
Q: Describe the motion of a buoy when a water wave passes. Does it move the buoy forward
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Q: Which shows that the result of an experiment are reliale
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Q: What is 0.7376ft lb. in energy
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Q: What are some disadvantages of using the wind as a source for generating electricity
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Q: If you know the amount of air pressure exerted on a tabletop how can you calculate the force exerted on the table top
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Q: Increased intensity refers to how greatly one increases the level of training
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Q: A conducting wire is placed inside a magnetic field. When the wire is rotated an electrical current runs through it. Which of these best explains why the wire needs to be rotated
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Q: In a collision a vehicle that rebounds off the object it strikes experiences the same force as it exerts on that object assuming the time is the same in both situations.
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Q: The energy of moving objects is called energy.
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Q: What energy is calculated from an object and mass height and the acceleration due to gravity
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Q: Will a ball with less or heavier mass go further
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Q: How do pigs transfer energy
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Q: A car is slowed because the air it is moving through pushes against it. This contact force is known as air
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Q: How many inches of sandbags filled with wet sand are required to protect against 120 mm indirect fire exploding 50 feet away
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Q: What did Aristotle say about inertia
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Q: 53.1 in stone
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Q: A rock dropped on the moon will increase its speed from 0 ms to 8.15 ms in about 5 seconds. What is the acceleration of the rock
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Q: A change in the position of an object when compared to a reference point is defined as speed.
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Q: An increase of speed during a given interval of time is called negative acceleration.
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Q: What of these best describes energy
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Q: Energy transmitted by will feel warm
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Q: A quantity that only includes the magnitude (size) of a measurement is a quantity.
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Q: What are characteristics of reflection
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Q: Which are less energy hot things or cold things
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Q: Kind of force present in stretched strings ropes and cables
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Q: The shape and the size of a toy balloons depend on the kind of gas inside
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Q: What is 97.2 kg in stones and pounds
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Q: How long is a semen stain detectable on the wall using a blacklight
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Q: Is it true that the greater the height of an object the greater it's gravitational potential energy
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Q: Explain why reference points that are stationary are usually chosen to determine whether an object is in motion
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Q: Image of trilobite and crinoid stem taken from the virtual petrified wood museum
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Q: A change in an object and position direction or location
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Q: Why does Some fabrics build up more charge than others because
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Q: Hearing protection is required if the noise level at any point in the workday reaches 115 dB and lasts longer than
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Q: What terms describe air
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Q: Which type of heat transferred involve heat flow from hot objects to colder objects
2 answers
Q: The minimum safety-relief pressure for a R-410A cylinder is
3 answers
Q: Crash severity increases with the speed of the vehicle at impact
2 answers
Q: What do you call an object that produces its own heat and light energy
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Q: The silver layer of an insulated bottle does this to radiated heat
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Q: What is the velocity between 0 and 5 seconds
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Q: The path of a flying object
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Q: Some argue that solar power should be the main energy source for the US Which argument could be used against this idea
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Q: What are points with zero amplitude in standing waves
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Q: Based on the above information which source of energy would be the most economical and safest for the community to pursue
4 answers
Q: What the equation for speed
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Q: State what oscillates in this type of wave
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Q: Name the one type of wave that does not require a medium
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Q: Explain how sound waves with a large amplitude can damage the human ear
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