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VOLCANOES AND PLATE TECTONICS
VOLCANOES AND PLATE TECTONICS

... a. Newton’s Third Law of Motion (ACTION/REACTION) i. “If one object EXERTS A FORCE on another object, then the second object exerts a FORCE OF EQUAL STRENGTH in the OPPOSITE DIRECTION on the first object.” 1. For every ACTION there is an equal but opposite REACTION. ii. ACTION/REACTION PAIRS 1. Forc ...
File
File

... students can always grab a set and take back to seat, or when students are in lab groups I would have them complete five cards as part of their pre-lab, then they could begin once all answers are correct. I've also included an answer sheet in this download so students can work on one card at a time, ...
K = 1 2 mv W = Fds ︷︸︸︷ = Fd ΑK = K −Ki =W
K = 1 2 mv W = Fds ︷︸︸︷ = Fd ΑK = K −Ki =W

A Question about Vectors - Boston University: Physics
A Question about Vectors - Boston University: Physics

... The coin farther from the center. ...
N e w t o n` s L a w s
N e w t o n` s L a w s

... For every force that acts on an object, there is a reaction force acting on a different object that is equal in magnitude and opposite in direction. ...
Electric Circuits
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... An 800 kg roller coaster is still at the top of a 120m tall hill. a) What is the gravitational potential energy at the top of the ride)? b) Assuming the car is still at the top, what is its kinetic energy here? c) What is the gravitational potential energy at the bottom of the first hill? d) What is ...
Bite 6: Newton`s Third Law - Bite
Bite 6: Newton`s Third Law - Bite

Reporting Category 2 Answer Key
Reporting Category 2 Answer Key

Lecture Three (Powerpoint format)
Lecture Three (Powerpoint format)

... particle-like properties as well -- individual atoms emit discrete packets of light energy known as photons, similar to the idea of Newton’s corpuscles. Einstein in fact won his Nobel prize on his explanation of the photoelectric effect, which relied on the photon theory of light.  In a sense, ligh ...
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... Notes on the Moon’s Motion • We assumed the Moon orbits a “fixed” Earth • It is a good approximation • It ignores the Earth’s motion around the Sun • The Earth and Moon actually both orbit their center ...
The Milky Way: Spiral galaxies:
The Milky Way: Spiral galaxies:

... where V is the velocity, and M(r) is the mass contained inside an orbit of radius r. If there is no mass outside this radius, then as r increases, M(r) remains constant, and V # r-1/2 (in ! words, simple Keplerian motion). other ...
Lecture 20, PPT version
Lecture 20, PPT version

... • if universe has been expanding at constant rate for all time, then all galaxies would have been on top of each other at time equal to 1/H0 Distance between any two galaxy clusters at the present day: distance = speed x time (the standard formula) speed = H0 x distance (Hubble’s Law, specifically) ...
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physics - Bharatiya Vidya Bhavans School

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Circular Motion and Gravitation

GAIA Composition, Formation and Evolution of our Galaxy
GAIA Composition, Formation and Evolution of our Galaxy

38. REASONING It is the static friction force that accelerates the cup
38. REASONING It is the static friction force that accelerates the cup

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File - Coach Ed Science

... Objects at rest remain at rest, and objects in motion remain in motion with the same velocity, unless acted upon by an unbalanced force. ...
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ForceCh2

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Modified Newtonian dynamics



In physics, modified Newtonian dynamics (MOND) is a theory that proposes a modification of Newton's laws to account for observed properties of galaxies. Created in 1983 by Israeli physicist Mordehai Milgrom, the theory's original motivation was to explain the fact that the velocities of stars in galaxies were observed to be larger than expected based on Newtonian mechanics. Milgrom noted that this discrepancy could be resolved if the gravitational force experienced by a star in the outer regions of a galaxy was proportional to the square of its centripetal acceleration (as opposed to the centripetal acceleration itself, as in Newton's Second Law), or alternatively if gravitational force came to vary inversely with radius (as opposed to the inverse square of the radius, as in Newton's Law of Gravity). In MOND, violation of Newton's Laws occurs at extremely small accelerations, characteristic of galaxies yet far below anything typically encountered in the Solar System or on Earth.MOND is an example of a class of theories known as modified gravity, and is an alternative to the hypothesis that the dynamics of galaxies are determined by massive, invisible dark matter halos. Since Milgrom's original proposal, MOND has successfully predicted a variety of galactic phenomena that are difficult to understand from a dark matter perspective. However, MOND and its generalisations do not adequately account for observed properties of galaxy clusters, and no satisfactory cosmological model has been constructed from the theory.
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