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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

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Q: Minimum gibbs free energy is NOT attained by a semipermeable membrane. True or false

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Q: A boat (with a flat bottom) and its cargo weigh 4,600 N. The area of the boat's bottom is 8 m2. How far below the surface of the water is the boat's bottom when it is floating in water

Q: Click Reset and select Red glass. This lets most of the light through but still blocks some air. What do you think will happen

Q: There is a bell at the top of a tower that is 45m high. The bell weighs 19kg. The bell has potential energy. Calculate it

Q: Why is latent heat considered potential energy

Q: The diagram below shows a simple machine in use. Study it, then answerquestion 6.The simple machine shown above is an example of a/an(B)(A) inclined plane.(D) wedge.(C)

Q: What is the energy conversion of a hammer and strikes a nail into a plank

Q: john lifts a hammer and strikes a nail into a plank. Which of the following energy conversion take place

Q: What are the energy transfers of the six simple machines for example an incline plane is gravitational potential energy to mechanical energy. I want to know what are the other fives and for levers I would like to know class one and class 2

Q: How to learn the law of attraction

Q: Why do we need knuckles How do you know

Q: In physics, zero on the Kelvin scale is also known by which term

Q: Simple machines in a bicycle include

Q: When an existing story is presented in a new medium the _____ almost always changes

Q: When describing image formation for flat shiny surfaces what is an important rule to remember about light rays

Q: A 1250 kg car is moving down the street with a velocity of 32.0 m/s bumps into a parked car ahead of it which has a mass of 875 kg. the parked car moves away with velocity of 6 m/s

Q: Which term is defined as the emission of energy from subatomic particles

Q: which event happens in a solar cell when the photoelectric effect occurs

Q: Which three careers use technologies that apply the Doppler effect

Q: If infrared waves can move information through the air, what is the advantage of sending their signals through networks of cables

Q: what are two reasons why a home computer scanner requires electromagnetic waves to operate

Q: is it true that All light waves travel at different speeds in different materials

Q: Which type of microscope is used to study extremely small things, such as cell structures by passing a beam of electrons through an object

Q: Why does the Doppler effect explain why a siren's pitch decreases as it moves away from you

Q: what can matter be measured in and what would happen if it collided with non matter i already know the awnser to the second one but i want to see if you know the awnser

Q: True or false: energy from moving water can be converted into electricity

Q: What is the dependant variable in Todd's experiment

Q: At the top of the first hill the cart has the highest (Gravitational) Potential Energy

Q: What features of an object provide good stability

Q: the buildup of electric charge on an object is type of electrsiy

Q: what are the waves called without parcticles

Q: How does Dysport®work

Q: Advantages of a franking machine

Q: How do a heavy ship float on water

Q: What three things are needed to make an electromagnetic

Q: What is the meaning of light

Q: As the speed of a rolling ball is increasing,the increasing speed is accompanied by

Q: What is an electrostatic force

Q: A student uses a force of 45 Newtons to push a chair at a constant speed of 3m/s for a time of 6 seconds how much work did the student do

Q: approximately how fast do electromagnetic waves through space

Q: Thrust is a forward motion, true or false

Q: What is the explanation of Einsteins' theory of relativity

Q: An electric drill transfer some energy wastefully . aside from heat , what else carries the energy that is transferred wastefully

Q: what formula would you use to find the acceleration of a 10kg being pushed by a force of 65 N

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