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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: In a crash the second collision refers to.
1 answer
Q: What is the frequency (s-1) of a photon that has an energy of 4.38 x 10-18 J
1 answer
Q: Advantage and disadvantage of turbidometry
1 answer
Q: Bending a wave around a barrier is called
2 answers
Q: Human perception of how much energy a sound wave carries is called
1 answer
Q: Unit of measuring loudness of sound is called
2 answers
Q: 50 kg astronaut eject 100 g of gas from his propulsion pistol at a velocity of 50 ms what is his resulting velocity
1 answer
Q: Describe how electrons travel when a positively charged object is grounded.
1 answer
Q: When an object's position does change what is the change called
1 answer
Q: What part is thicker than the other in a convex lens
2 answers
Q: Why Does the more mass an object has the more potential energy it has
4 answers
Q: What are the function of beams
1 answer
Q: How much does 1 avocado weigh
1 answer
Q: What type of energy is used to run most refrigerators
3 answers
Q: What is common between transverse waves and longitudinal waves
1 answer
Q: How much does 1 slice of prosciutto weigh
1 answer
Q: Light waves vibrate in how many dimensions
1 answer
Q: Why is leather opaque
1 answer
Q: Which of the following describes a displacement vs time graph that looks like this
2 answers
Q: Select the solution below that would produce an average velocity of zero
1 answer
Q: A skydiver slows down from 54 ms to 5 ms by opening his parachute. If this takes .75 seconds what is the magnitude of the skydiver's acceleration
1 answer
Q: The center of the reactor where the fuel and control rods are located is called the
1 answer
Q: In order for heat to be transferred by conduction which of the following must occur A cold object must be heated with hot air. A hot object must be directly touching a cold object. The Sun must heat t
2 answers
Q: What is radiation we can see
2 answers
Q: The pitch of a sound is determined by its
1 answer
Q: Whaty factor determines the pitch of a sound
1 answer
Q: Why is longer levers stronger than smaller levers
1 answer
Q: What are clocks made of
2 answers
Q: What clocks made of
1 answer
Q: A flying airplane is affected by which force or forces
1 answer
Q: Which of the following windows would be best at slowing the transfer of heat through conduction
1 answer
Q: Explain the potential consequences of assisting and moving an individual without specialist trainingl
1 answer
Q: Energy from the sun is called what energy
3 answers
Q: Do objects have to touch for a force to be involved
2 answers
Q: Ask us of the following items has the most inertia while at rest
1 answer
Q: Balanced forces cannot accelerate an object.
2 answers
Q: What are he things that are true about electromagnetic waves
1 answer
Q: Which are examples of projectile motionCheck all that apply.
1 answer
Q: What did Tesla magnifying transmitter transmit
1 answer
Q: While rehearsing a well placed observer
1 answer
Q: Amount of matter in a substance or object
1 answer
Q: A negative slope on the velocity vs. time graph indicates that the object is not moving.
2 answers
Q: Suppose a rock is dropped off a cliff with an initial speed of 0 ms. What is the rock's speed after 5 seconds in ms if it encounters no air resistance
1 answer
Q: Fission is the splitting of an .
2 answers
Q: A vector quantity has direction a scalar quantity does not.
2 answers
Q: Where are wind turbines found and why
1 answer
Q: How can we prevent friction from wearing things away
1 answer
Q: Materials with the same R-value have the same ability to insulate
1 answer
Q: When is the speed zero
1 answer
Q: True or False Sublimation is a change from solid to gas
4 answers
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