What is true? about matter and energy 1.matter is made of atomes and molecules that are constantly in motion 2. as objects become hotter, their particles move faster 3. thermal energy transfers from one part of an obejct to another by means of collisions

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Q: 1. what phase of matter have particles  close together but are not held rigidly? 2. what phase of…

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Q: Which two factors affect the amount of thermal energy an object has?

A: Thermal energy is total energy caused by motion

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Q: 1. What is potential energy? 2. What is kinetic energy? 3. What type of energy can be changed to…

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Q: Q5 / (A) Define a photovoltaic cell, explain its working principle, with the materials used in its…

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Q: Show energy transformation equation of each scenario. a) Car coming to stop for the red light. b)…

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Q: 3. Give one application of third law of thermodynamics

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Q: 9. A student throws their physics text vertically upward. As the textbook rises, which of the…

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Q: Calculate the de Broglie wavelength of a proton travelling at the speed of light.

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Q: sotope ) of Parent Name: Date: Fill in the Blank: WORKSHEET: POTENTIAL ENERGY PROBLEMS 1. Potential…

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Q: Use the diagrams below to answer questions 28-30. 30 N 25 N 10 N 10 N Cube A Cube C 50 N 30 N 30 N…

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A: Thermal energyThermal energy is energy which produced when the vibration of atoms and molecules in a…

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Q: Running at 15km/h for 60 minutes   I weigh 81.65kg   a) how much energy is used?   b) how much…

A: (a) The kinetic energy of the person is K=12mv2=1281.65 kg15 km/h2=708.767361111 J≈709 J

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Q: 1. What is matter made of? 2. What are in between the particles? 3. Why do particles of matter…

A: Ans1. Matter is made up of Atom. Atom is made up of subatomic particles(electrons, protons and…

Frame of reference

In physics, a frame of reference is a coordinate system used to specify either the position or the orientation or velocity of a body. The origin of the coordinate acts as a reference point for measuring the position or relative motion of a body. The coordinate system can be a cartesian coordinate, cylindrical coordinate, or a polar coordinate.