Throwing a football When the football travels through the air for a long pass it always follows a curved path because the force of gravity influences the movement of the ball in the vertical direction. As the ball travels up‚ gravity slows it down until it stops briefly at its peak height; the ball then comes down‚ and gravity accelerates it until it hits the ground. Projectile motion is the path of any object that is launched or thrown and has an arched course (howstuffworks) For the football
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2) Content Identify 4 concept in Chapter 5 (Forces) Line 5.1 Sun Zi said: To manage a large force is similar to managing a small force. Sun Zi said: Managing a large force can similar to managing a small force. It is an element of organization and system. To control and direct a large force can be similar to controlling and operating a small force. It is an element of formations and communications. Sun Zi talks about how to adopt a large force like a small force. The following aspects evaluate
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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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[1st Verse] They Told Him Don’t You Ever Come Around Here Don’t Wanna See Your Face‚ You Better Disappear The Fire’s In Their Eyes And Their Words Are Really Clear So Beat It‚ Just Beat It [2nd Verse] You Better Run‚ You Better Do What You Can Don’t Wanna See No Blood‚ Don’t Be A Macho Man You Wanna Be Tough‚ Better Do What You Can So Beat It‚ But You Wanna Be Bad [Chorus] Just Beat It‚ Beat It‚ Beat It‚ Beat It No One Wants To Be Defeated Showin’ How Funky Strong Is Your Fight
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October 9‚ 2006 Objectives: • Study the relation between the force produced and the change of momentum when a jet strikes a vane. • Compare between force exerted by a jet on a flat plate and on a hemispherical surface. Theory: In order to calculate the force caused by impact of a jet into a flat plate or curved vane‚ the change in momentum principle is applied; Force = Rate of change in momentum F = ρ Q ΔV F = ρ Q (Vin – Vout) Where; F: the force exerted by the jet on the plate. ρ: the
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Initial velocity = (0.43m/0.43s) = 1.0m/s Initial Momentum = (Mass) x (Initial Velocity) P0 = (0.008kg) x (1.0m/s) = 0.008kgm/s Time =((2 x Displacement)/(Acceleration))1/2 Using vertical displacement and acceleration: Time = ((2 x 0.92m)/(9.8m/s2))1/2 = 0.43s Final velocities Stationary Ball (Ball 1): (0.32m/0.43s) = 0.73m/s = Final Velocity1 Rolling Ball (Ball 2): (0.072m/0.43s) = 0.17m/s = Final Velocity2 Final momentum = ((Mass1) x (VF1)) + ((Mass2) x (VF2)) Mass1=Mass2
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different forces exerted by the same water jet on a variety of geometrical different plates. The results obtained experimentally are to be compared with the ones inferred from theory through utilizing the applicable versions of the Bernoulli and momentum equations. Objectives: i. To measure the force produced by a jet on flat and curved surfaces. ii. To compare the experimental results with the theoretically calculated values Procedure: 1. Stand
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d. 2.0 m/s 4. What was the momentum of the pendulum (bullet-block combination) "immediately" after the bullet became imbedded (i.e. when its K.E. was maximum)? p = mv = a. 0 kg m/sec b. 0.25 kg m/sec Ballistic Pendulum.....5/15/08 c. 0.5 kg m/sec d. 1.0 kg m/sec 1 Don Rathjen....Exploratorium Teacher Institute....3601 Lyon St.‚ San Francisco‚ CA 94123...donr@exploratorium.edu © 2008 Exploratorium‚ www.exploratorium 5. What was the momentum of the block before the
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A Hierarchical Linear Modeling Approach To Higher Education Research : The Influence Of Student And Institutional Characteristics This research paper is basically written with the central idea of showing how multi level modeling is a more appropriate way of dealing with data that is of hierarchical or structured nature. Generally the ordinary least square method is used to analyze such data but it gives out results that are misleading and incorrect. Multi level modeling ‚also known as hierarchical
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[pic] The product of average force and the time it is exerted is called the impulse of force. From Newton’s second law [pic] the impulse of force can be extracted and found to be equal to the change in momentum of an object provided the mass is constant: |[pic] |Calculation | The main utility of the concept is in the study of the average impact force during collisions. For collisions‚ the mass and change in velocity are often
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