College Physics OpenStax College Rice University 6100 Main Street MS-380 Houston‚ Texas 77005 To learn more about OpenStax College‚ visit http://openstaxcollege.org. Individual print copies and bulk orders can be purchased through our website. © 2013 by Rice University. The textbook content was produced by OpenStax College and is licensed under a Creative Commons Attribution 3.0 Unported License. Under the license‚ any user of the textbook or the textbook content herein must provide proper attribution
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differences of inertia between a disk and a ring. We will use increasing forces to induce angular acceleration of both a disk and a ring of a certain mass. We will then then measure the differences in the acceleration to determine how the ring and the disk resist rotational movement. Afterward we will compare how the radius of the masses and the torque(force) applied relate to the angular acceleration. We will achieve a predictable force by using g=gravity=9.8 for this acceleration. Theory: In this experiment
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motion will stay in motion‚ and object at rest will stay at rest unless acted upon by an outside force. In other words‚ the mouse trap car will not move unless an outside force will cause it to move (the string attached to the axle). It will keep moving unless an outside force acts upon it. Second Law: To obtain a greater acceleration‚ you need to trim down the mass of the car as well as apply more force to the car‚ which usually means wind up the rope nice and tight. Third Law: Every action has an
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Analyzing Exploding Carts - Lab Activity Objectives We will study the relationship of force and the duration of the collision. In doing so we will observe the max force experienced by an accelerating cart when it impacts another cart with a spring. A stiff spring will be used. We will collect the information through two items. We will use distance and time as information collectors. This will measure the acceleration‚ velocity‚ and position of the cart as it moves down the track. The most
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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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Chapter I Introduction and Background of the Study Introduction One of the major problems of our country is the limited supply of electricity. And as a researcher we created a simple way on how we charge electrical energy from huma/mechanical energy or pedal power with the use of our Bicycle Charger. A Pedal Powered generator provides a method of generating electricity by means of a modified exercise bike for use in energy storage and running portable devices. Human.mechanical energy is converted
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by Paul Coelho‚ and there were many themes embedded within its text. The two main themes that stand out throughout the novel are forces of nature and emotions. More specifically‚ the main theme is how nature as well as human emotions plays important roles during Santiago’s journey. Some of the featured emotions are fear‚ hope‚ desire‚ and love. Also‚ some of the forces of nature involved are the sun‚ wind‚ the desert‚ and God. During Santiago’s journey to find his own Personal Legend‚ all of these
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body is increased by 50%‚its kinetic energy is increased by what %? 5. A mass m covers a certain distance s under the action of a constant force‚starting from rest. The kinetic energy acquired by it depends on what power of its mass? 6. At time t=0‚a particle starts moving along the x-axis. If its kinetic energy increases uniformly with time t‚the net force acting on it is proportional to what power of time? 7. A ball of mass 50g is thrown upwards. It rises to a maximum height of 100m. At what
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hung and measured different masses on a spring-mass system to calculate the force constant k. Simple harmonic motion is a special type of periodic motion. It is best described as an oscillation motion that causes an object to move back-and-forth in response to a restoring force given by Hooke’s Law: 1) F=-kx Where k is the force constant. Then using two different procedures‚ we calculate the value of the force constant k of a spring in our oscillating system. We observed the period of
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is transferred to the arrow and gives it its initial velocity. The force that the archer applies to the bow to bend it is actually the weight that he feels on his fingers as he pulls back the string. The archer feels a greater weight on his fingers as he pulls the string farther away from its resting position.
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