ello Doc Al and others. I am progressing along with my on-line basic physics course. I completed a new module and have some assessment questions to answer. Please review and let me know the ones that are correct. Those that are wrong just a little clue as to where my thinking process went a stray. I will add my thought process to the ones that I missed telling how I came up with the answer that I did. Thanks for taking the time to assist me on some basic questions. 1. What is the rotational speed
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The attenuation constant of a zero dissipationless line is given by………………. ∝=0 ∝=1 ∝=-1 ∝≠0 The phase constant of a zero dissipationless line is given by………………. β=0 β=1 β=ω√LC β=ω√RC The velocity of propagation in zero dissipationless line is given by………………. v=1/√LC v=1/√4LC v=√(L/C) v=2√(L/C) The standing wave ratio is given by………………. SWR=1/|〖E_MAX E〗_MIN | SWR=√(|E_MAX |/|E_MIN | ) SWR=|E_MAX |/|E_MIN | SWR=4|E_MAX |/|E_MIN | The standing wave ratio is given by………………. In
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Center of Gravity The point in a body or system of bodies at which the whole mass may be considered as concentrated. When an object’s weight is distributed uniformly‚ the center of gravity lies at its geometrical center. For irregular shaped objects‚ the center of gravity is near to the concentration of its mass. Equation: Where: X= center of gravity xi= distance of the objects from fulcrum or arbitrary axis mi= mass of the object Sample Problems 1.) Suppose your lab partner has
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Objective: To study the relationships between position‚ velocity‚ and time‚ with acceleration held constant‚ of an object moving in one-dimensional motion with minimum friction. A motion sensor will be used to measure various aspects of vector quantities. Description: An Air Track is positioned along the edge of the table. It is a long straight metal beam with many small holes that are roughly each 2mm in diameter. It is positioned at an angle to allow the gliders to glide down the slope
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Newton’s First Law – The law of inertia Newton’s first law states that that moving objects tend to keep moving at the same speed and in the same direction or objects at rest will stay at rest unless and unbalanced force acts on it. One aspect of a car that relates to Newton’s first law is how if a car a car will continue doing what its doing unless an unbalanced force is applied. For example a car parked in a driveway will not drive forward or reverse unless an unbalanced force is applied.
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Angular momentum and its properties were devised over time by many of the great minds in physics. Newton and Kepler were probably the two biggest factors in the evolution of angular momentum. Angular momentum is the force which a moving body‚ following a curved path‚ has because of its mass and motion. Angular momentum is possessed by rotating objects. Understanding torque is the first step to understanding angular momentum. Torque is the angular "version" of force. The units for torque are in Newton-meters
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Free Fall Rachel Shea Physics 131 Lab‚ QL Hasbrouck 210 Sept. 21‚ 2014 Abstract This experiment measures the study of motion by observing the force of gravity acting solely upon an object‚ and also measures reaction time. If an object is in free fall‚ the only force acting upon it is gravity. The object used in this experiment was a golf ball that provided some acceleration when dropped. A sensor positioned underneath a table recorded the golf ball’s pattern of motion‚ when dropped. The main
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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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Collision Impulse and Momentum PH215L Physics 1 Lab Lab#8 Lab Was Held: 3/20/14 Report Submit: 3/27/14 Professor List Daniel Webster College Table Of Contents Introduction Theoretical background Equipment list Procedure Calculations and Results Discussion Conclusion Introduction In this lab we tested the duration of impact‚ the force of impact and the change of momentum of the particles involved in the collision all
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Newton’s Second Law How does a cart change its motion when you push and pull on it? You might think that the harder you push on a cart‚ the faster it goes. Is the cart’s velocity related to the force you apply? Or does the force just change the velocity? Also‚ what does the mass of the cart have to do with how the motion changes? We know that it takes a much harder push to get a heavy cart moving than a lighter one. A Force Sensor and an Accelerometer will let you measure the force on a cart
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