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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 allow people to lift heavy object with relatively little force
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Q: Can a virgin release sperm
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Q: A machine lifts a load of 240-kilograms a distance of 120-meters in 45-seconds. How much power is generated by the machine
2 answers
Q: A machine requires a work input of 180-joules to achieve a work output of 140-joules. What is the efficiency of the machine
8 answers
Q: What happens to the wave when you decrease the wave period
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Q: Magnetic field lines curve out from one pole and return to the same pole.
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Q: What is the energy conversion in torch battery
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Q: Why do we use ultrasound gel
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Q: An adult pulls a child 350-meters across the snow on a sled. They exert a force of 25 newtons at an angle of 30.0 Deg above the horizontal to pull the rope attached to the sled. What is the force
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Q: What is meant by limit of proportionality
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Q: What household item weighs 21 grams
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Q: What is vacuum birefringence
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Q: What things release heat and absorb heat
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Q: What state of matter transmits sound fastest
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Q: Two bulb are connected in parallel one bulb glows brightly and other is dim what do you say about their current
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Q: Friction is a force you must to move a stationary object. ( fill in the blank )
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Q: Is saline flammable when exposed to laser beam
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Q: The horse is galloping 13 ms. five seconds later after climbing the hill the horse is moving at 5.5 ms. find the acceleration that describes this change in velocity
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Q: Sounds are produced by vibration
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Q: What instrument determines the presence of a tornado
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Q: .52mm equals how many inches
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Q: A particle of mass 3kg moves under a force of 4i plus 8j plus 10k . if the particles start from rest and was at the origin initially its new coordinATE AFTER 3 SEC will be
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Q: What is the adjective of lift
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Q: Conservation of materials is not done when
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Q: When wind drops its load of sandit can form a hill called a
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Q: Do short wavelength waves bend more or less than long wavelength waves
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Q: What are examples of fundamental force
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Q: What is the transfer of heat through a metal rod
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Q: The more the molecules an object contain the more heat energy it has
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Q: What is the energy that flows along wires
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Q: A region empty of matter throught which sound cannot travel
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Q: Explain how sound waves are used in our daily life
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Q: Which surfaces absorb heat
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Q: A rubber balloon is blown up and and the end tied. Is the pressure inside the balloon greater than less than or equal to the ambient atmosphere pressure explain.
1 answer
Q: Direct transfer of meaning from one word to another
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Q: What is kilo amperes
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Q: Crossing the boundary occurs along with transmission and is characterized by a change in speed and direction
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Q: Why does a football with more air pressure go further
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Q: 45 kelvin equals how many Fahrenheit
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Q: What is the difference between states of matter and particles of matter
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Q: If a the distance between two charged objects increases by 4 times. by what factor would the electrical force change
1 answer
Q: How much does and pound1 worth of 1p weigh
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Q: When a current flows through the coil does it become a magnet
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Q: Explain why a thermometer thick walls on its stem
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Q: A short internal communication for stationary
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Q: A sepak takraw that is kicked from a height of two meters follows a path that is
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Q: What are 20 examples of energy conversion
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Q: How much does a single sticky note weigh
1 answer
Q: Why tube light is a cold source of light
1 answer
Q: Sprinters set in the starting blocks at the beginning of a race rely on what kind of energy conversion
3 answers
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