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Newton's Second Law of Motion

As stated above, the direction of the net force is in the same direction as the acceleration. Thus, if the direction of the acceleration is known, then the direction of the net force … See more

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Physics Tutorial: Pitch and Frequency

WEBThe frequency of a wave is measured as the number of complete back-and-forth vibrations of a particle of the medium per unit of time. If a particle of air undergoes 1000 …

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Newton's Law Problem Sets

WEBProblem 22: Brandon is the catcher for the Varsity baseball team. He exerts a forward force on the 0.145-kg baseball to bring it to rest from a speed of 38.2 m/s. During the process, …

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Newton's Law of Universal Gravitation

WEBThe solution of the problem involves substituting known values of G (6.673 x 10-11 N m 2 /kg 2), m 1 (5.98 x 10 24 kg), m 2 (70 kg) and d (6.39 x 10 6 m) into the universal …

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Newton's Laws of Motion: Audio Guided Solution

WEBIdentify the known and unknown quantities in an organized manner. Equate given values to the symbols used to represent the corresponding quantity - e.g., v o = 0 m/s; a = 4.2 …

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Applications of Impulse-Momentum Change Theorem

WEBThis is known as the impulse-momentum change theorem. In this part of Lesson 1, we will examine some real-world applications of the impulse-momentum change theorem. We …

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Physics Simulations: Vibrations, Waves, and Sound

WEBThe Particle Wave simulation allows you to explore the nature and properties of a wave. Properties such as wavelength, amplitude, and speed can be changes. The effects of …

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Analyzing Circular Movements in Athletics

WEBAnalyzing Circular Movements in Athletics. Circular motion is common to almost all sporting events. Whether it is sports car racing or track and field, baseball running or ice-skating, …

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Physics Simulation: DC Circuit Builder

WEBThe DC Circuit Builder equips the learner with a virtual electronic circuit board. Add resistors, light bulbs, wires and ammeters to build a circuit, Explore Ohm's law. Compare …

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Momentum, Impulse and Momentum Change

WEBMomentum and Collisions: sublevels 4, 5 and 6. Newton's Third Law and Collisions: In a collision between object 1 and object 2, both objects encounter a force resulting from …

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Physics Tutorial: Optical Density and Light Speed

WEBOptical Density and Light Speed. Refraction is the bending of the path of a light wave as it passes from one material to another material. The refraction occurs at the boundary and …

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Physics Tutorial: Interference and Beats

WEBInterference and Beats. The Doppler Effect and Shock Waves. Boundary Behavior. Reflection, Refraction, and Diffraction. Wave interference is the phenomenon that occurs …

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Physics Tutorial: Natural Frequency

WEBThe frequency or frequencies at which an object tends to vibrate with when hit, struck, plucked, strummed or somehow disturbed is known as the natural frequency of the …

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Vectors and Projectiles Review

WEBThe Physics Classroom serves students, teachers and classrooms by providing classroom-ready resources that utilize an easy-to-understand language that makes …

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The Physics Classroom Tutorial

WEBCompared to the previous problem, this is a much more difficult problem. In fact, this problem is like two problems in one. At the center of the problem-solving strategy is the …

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What Portion of a Mirror is Required

WEBIn fact, the man needs the exact same 3-feet of mirror. A common Physics lab involves using a tall plane mirror to explore the relationship between object height and the portion …

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Definition and Mathematics of Work

WEBMathematically, work can be expressed by the following equation. W = F • d • cos Θ. where F is the force, d is the displacement, and the angle ( theta) is defined as the angle …

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Weightlessness in Orbit

WEBEarth-orbiting astronauts are weightless for the same reasons that riders of a free-falling amusement park ride or a free-falling elevator are weightless. They are weightless …

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Physics Tutorial: Dispersion of Light by Prisms

WEBThese colors are often observed as light passes through a triangular prism. Upon passage through the prism, the white light is separated into its component colors - red, orange, …

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