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Honors_Physics_-_Circular_Motion
Honors_Physics_-_Circular_Motion

... TOWARDS the CENTER. To find the MAGNITUDES of each we have: ...
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V - USU Physics

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PHYS632_L13_ch_33_El..

... polarizing sheets whose polarizing directions make angles of 1 = 40o, 2 = 20o, and 3 = 40o with the direction of the y axis. What percentage of the light’s initial intensity is transmitted by the system? (Hint: Be careful with the angles.) Let Io be the intensity of the unpolarized light that is ...
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Changes of Motion

... • What does the slope represent (for both)? •What does the area under the v-t graph represent? graphing review ...
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Circular Motion - the SASPhysics.com

... • Velocity is constantly changing, so mass is constantly accelerating towards centre of circle • So there is a constant force on the mass towards the centre of the circle – Tension in string (until you let go!) ...
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... The momentum of an object depends on mass and velocity. Momentum is how hard it is to stop an object that is moving. Momentum is a (vector/scalar) quantity. vector – it has magnitude and direction Write a sentence that uses the word “momentum” that demonstrates that you know the meaning of the word. ...
Test 3 Preparation Questions
Test 3 Preparation Questions

... B10. An electron is placed in a region of space where there is a uniform electric field which is in the +y direction as shown. The magnitude of the electric field is 51.0 V/m. Determine the magnitude and direction of the force on the electron. ...
Test 3 Preparation Questions
Test 3 Preparation Questions

... B10. An electron is placed in a region of space where there is a uniform electric field which is in the +y direction as shown. The magnitude of the electric field is 51.0 V/m. Determine the magnitude and direction of the force on the electron. ...
14.01.20APWeek20Momentum
14.01.20APWeek20Momentum

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Formula: F coefficent of friction*m*g

... Find omega from this: m*omega^2*r = tension, and use omega here: T= 2*pi/omega 12) You are taking a turn at 39.0 m/s on a ramp of radius 29.0 m. What is your acceleration? A) 0.744 m/s2 B) 52.4 m/s2 C) 1.34 m/s2 D) 21.6 m/s2 a = v^2/r 13) An aircraft performs a maneuver called an aileron roll. Durin ...
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... planet P2 At the position shown, the magnitude of the gravitational force of planet P1 on the spacecraft is equal to the magnitude of the gravitational force of planet P2 on the spacecraft. If distance X is greater than distance Y, then the mass of P1 must be A) less than the mass of P2 B) greater t ...
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I. Newton`s Laws of Motion

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Topic 6 - Interference

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LAHS Physics Semester 1 Final Practice Multiple

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... considered to be different from the Doppler effect. Doppler shifts are caused by relative motion. In that case, the photons are not losing or gaining energy; they just look different to you than they do to the emitter. In contrast, most general relativity or cosmology textbooks say, cosmological red ...
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TWGHs. Kap Yan Directors` College

... D. The coin falls faster than the feather, but both take a shorter time than if they were falling from the same height on Earth. 31. A bullet of mass 0.02 kg travelling horizontally at 100 m s-1 is stopped by 0.1 m of concrete. What is the resistive force on the bullet by the concrete? A. 2 N ...
Name
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... 42. A uniform bridge span weighs 50 x 103 N and is 40.0 m long. An automobile weighing 15 x 103 N is parked with its center of gravity located 12.0 m from the right pier. What upward support force is provided by the left pier? 43. A child wants to use a 10 kg board that is 3.5 m long as a seesaw. S ...
marking scheme - The Physics Teacher
marking scheme - The Physics Teacher

... In considering this marking scheme the following points should be noted: 1. In many instances only key words are given – words that must appear in the correct context in the candidate’s answer in order to merit the assigned marks. 2. Words, expressions or statements separated by a solidus, /, are al ...
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Exam #1 Aristotle Onward Quantifying motion Question: acceleration
Exam #1 Aristotle Onward Quantifying motion Question: acceleration

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... In order for it to orbit twice every 24 hours, it must be A. Closer to the Earth B. Farther from the Earth. C. Same distance but moving twice as fast. Centripetal acceleration is v2/r. This acceleration is due to the gravitational force, so equals g, and is constant for all orbits. The speed v is (c ...
CP PHYSICS
CP PHYSICS

... CP PHYSICS, FINAL EXAM REVIEW – Fall 2008, page 2 13. A semi truck accelerates at 0.64 m/s2 over a distance of 125 m and reaches a velocity of 17 m/s. What was the truck’s initial velocity? 14. How fast does an object move after falling: a. .25 s b. .50 s c. 1.0 s d. 2.0 s 15. When perpendicular ve ...
< 1 ... 82 83 84 85 86 87 88 89 90 ... 170 >

Faster-than-light

Faster-than-light (also superluminal or FTL) communication and travel refer to the propagation of information or matter faster than the speed of light.Under the special theory of relativity, a particle (that has rest mass) with subluminal velocity needs infinite energy to accelerate to the speed of light, although special relativity does not forbid the existence of particles that travel faster than light at all times (tachyons).On the other hand, what some physicists refer to as ""apparent"" or ""effective"" FTL depends on the hypothesis that unusually distorted regions of spacetime might permit matter to reach distant locations in less time than light could in normal or undistorted spacetime. Although according to current theories matter is still required to travel subluminally with respect to the locally distorted spacetime region, apparent FTL is not excluded by general relativity.Examples of FTL proposals are the Alcubierre drive and the traversable wormhole, although their physical plausibility is uncertain.
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