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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: What is the frequency of a wave in 6 waves pass by in 2 seconds
1 answer
Q: What are the critical force area in developing workforce plan
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Q: Before dinner Mr. Larsen pushes his daughter Sally on her swing for a few minutes. The chain creaks and rubs against the metal hook at the top of the bar as she swings through the air. After he stops
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Q: What is the frequency of 5 waves pass by every second
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Q: What is the frequency of 3 waves pass by every second
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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
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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
2 answers
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.
2 answers
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
3 answers
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
1 answer
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
1 answer
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
1 answer
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
1 answer
Q: The silver layer of an insulated bottle does this to radiated heat
1 answer
Q: What is the velocity between 0 and 5 seconds
1 answer
Q: The path of a flying object
1 answer
Q: Some argue that solar power should be the main energy source for the US Which argument could be used against this idea
3 answers
Q: What are points with zero amplitude in standing waves
1 answer
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