Gravitation Gravitational field strength at a point is defined as the gravitational force per unit mass at that point. Newton’s law of gravitation: The (mutual) gravitational force F between two point masses M and m separated by a distance r is given by F = | GMm | (where G: Universal gravitational constant) | | r2 | | or‚ the gravitational force of between two point masses is proportional to the product of their masses & inversely proportional to the square of their separation. Gravitational
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INDEX 1. Introduction 2. Precession of a spinning top 3. Torque 4. Angular Momentum 5. Right-Hand rule 6. Linear Momentum 7. A top at rest 8. A top in motion 9. A top slowing down 10. An ideal top 11. A realistic top Introduction:- We know spinning tops or Beyblades just as simple toys made for kids which spin when we twist the center-stem attached to it .Some are also held by a cord
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gunpowder and projectile in the muzzle‚ or open end. Nowadays firearms are a little more sophisticated. However‚ the physics behind all guns remain the same. Weapons such as cannons‚ shotguns and rifles‚ work on the basic idea of conservation of momentum and the change in energy from potential to kinetic. When the trigger is pulled the hammer hits the firing pin. The firing pin then hits the primer which causes the powder to burn hence producing lots of gases. This causes the volume behind the
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Collision between carts of equal mass: Collision 1 Mass (kg) Initial Velocity (m/s) Final Velocity (m/s) Momentum Initial (kg*m/s) Momentum Final (kg*m/s) Red Cart 2.0 + 50.0 0 0 0 Blue Cart 2.0 - 50.0 0 0 0 Elastic Collision between carts of unequal mass: Collision 2 Mass (kg) Initial Velocity (m/s) Final Velocity (m/s) Momentum Initial (kg*m/s) Momentum Final (kg*m/s) Red Cart 1.0 + 50.0 -33.33 50 -33.33 Blue Cart 2.0 - 50.0 66.66 -100 133.2
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potential energy and energy conservation to determine the speed of the ball plus pendulum as it first begins to swing away from the vertical position after the “collision.” (3) To explore the relationships between the momentum and kinetic energy of the ball as launched and the momentum and kinetic energy of the ball plus pendulum immediately after the ball is caught by the pendulum apparatus. INTRODUCTION The “ballistic pendulum” carries this name because it provides a simple method of determining
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Finance Theory I – Case 2 Tracy Hsiao‚ Baltic Ocean Evaluation of AQR Momentum Funds Date: Dec. 5th‚ 201r Past performance of momentum strategies – CAPM & Fama‐French MOM 4 factors model In Table 1‚ we could evaluate the past performance of momentum strategy‚ Short Decile 1 and Long Decile 10‚ a.k.a. L/S (10‐1). Capital Asset Pricing Model (CAPM) E(R) = α + Rf + β (RM - Rf) + By applying to CAPM‚ we got a β that is almost zero (-0.08) showing the strategy could effectively diversify and reduce
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CHRISTOPHER MALLOY AQR’s Momentum Funds (A) In early 2009‚ after significant research and reflection‚ Cliff Asness‚ founder and principal at AQR‚ was considering the launch of three new retail mutual funds that would offer investors exposure to ‘Momentum‚’ a new investment style. While momentum strategies were commonplace among hedge funds‚ the new AQR funds would become the first retail funds to focus on this strategy. The Momentum Strategy AQR defined stock momentum as ‘the phenomenon that stocks
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1) Introduction This Lab is about conservation of momentum. It is to investigate the difference of momentum before and after collisions. Using the photo gates record the velocity of each cart‚ comparing momentum and kinetic energy to find the law. The experimental apparatus are two red carts in approximately same weight and a gold cart in lower weight than the red ones‚ a stable air track (blow a constant stream of air out through numerous tiny holes) with low friction and two photo gates. 2) Project
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Answers Chapter 1 1 a) 8 m/s 2 a) 10 500 m (10.5 km) b) 105 000 m (105 km) c) 630 000 m (630 km) 4000 s (Snails can actually move faster than this! At a more realistic 4 mm/s (0.004 m/s) it would only take the snail 400 s or 6 minutes 40 seconds.) 4 a) graph D b) graph C c) graph A d) graph B a) 8m distance = = 32 m/s 0.25s time The car is moving at constant velocity (speed). 5 IGCSE Physics Answers – Section A 3 6 gradient
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Abstract :The purpose of the experiment is to explore elastic and inelastic collisions in order to study the conservation of momentum and energy. The guided track‚ carts‚ photogates ‚ 250 g weight and picket fences were the primary components used in the procedural part of the experiment. Each experiment involved the use of the photogates and picket fences to measure the initial and final velocities of both carts when they collide. The data was collected and translated to a graphical model for further
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