collides with a bumper. Use a force sensor mounted on the track to measure the force of the collision over the same interval of time. Use DataStudio to compare the change in momentum of the cart with the integral of the measured force vs time graph. Data: Item | Value | Mass of Cart | 516g | Impulse | .35N | Velocity before | .343 m/s | Velocity after | -.318 m/s | Momentum before | .177 kg m/s | Momentum after | -.163 kg m/s | change | -.340 kg m/s | Questions: 1.Why is it desirable
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Physics 211 Experiment #9 Impulse – Momentum Experiment Discussion Impulse‚ momentum‚ and the impulse-momentum relationship are defined and discussed in the text. The momentum of an object with mass m and velocity [pic] is [pic]. The impulse of a resultant force from time t1 to time t2 is When the force is plotted versus time‚ the impulse is the area under the curve between t1 and t2. [pic] The impulse-momentum relationship states that if an object with mass m is acted on by a force
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conservation of energy and momentum using projectile motion. Theory: The ballistic pendulum demonstrates both the constant horizontal velocity in projectile motion and the conservation of momentum. Because there is no acceleration in the horizontal direction‚ the horizontal component (v_x) of the projectile’s velocity remains unchanged from its initial value throughout the motion. In a closed isolated system‚ if no net external force acts on a system of particles‚ the total linear momentum of the system cannot
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initial momentum = final momentum assume a linear collision‚ since no angles are given 0.05kg*0.6am/S + 0 = 0.05kg*-0.2am/S + 0.03kg*v v = 1.3 am/S It should be noted that this data isn’t valid -- the larger mass marble will continue to have "positive" velocity after colliding with a smaller mass marble. Think Newton’S cradle. I suspect that the overall KEN has increased in this problem‚ a no-no (but I haven’t calculated it). initial momentum = final momentum assume a linear collision‚ since
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hour). The collision will change both cars’ momentum. But‚ because no force from outside the system has acted on the cars‚ their total momentum remains zero"(DiscoverySchool.com). Back to my example‚ although both cars were going the same speed‚ one driver lived while the other died. While this may seem like driver A was wearing his lucky tie‚ probing deeper into the case proves that physics saved his life. Sir Isaac Newton was the first man to explain what happens in a collision. He proposed
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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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FRICTION Friction is necessary for walking due to the following reason‚ As per Newton’s third law of motion‚ (every action has an equal and opposite reaction) we can walk if and only if the ground we are walking on push our feet back with a force. Now‚ as per the third law the ground would definitely push our feet back but if we are walking on a perfectly smooth ground which has no friction our force would simply cancel out the force reverted by the ground and we would fall. If there was no
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Name: ____________________________ Date: ____________________Period:____________ PHYSICS FINAL EXAM REVIEW Chapters 5-13 Ways to study for your exam: * Review past tests‚ quizzes‚ homework assignments‚ and vocabulary sheets * Review notes * Read textbook chapters (especially summary pages at the end of each chapter) * Complete this Review guide * Write practice essay questions and have your instructor grade them You should be able to: * Define all vocabulary words
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Momentum & Energy Extra Study Questions Short Answer 1. What is the momentum of a 1000 kg car moving at 15 m/s [E]? 2. Calculate the momentum of each of the following objects. (a) a 0.50 kg ball thrown upward with a velocity of 30 m/s (b) a 2000 kg railway car moving south at 10 m/s (c) an electron of mass 9.1 × 10–31 kg‚ moving at a velocity of 1.0 × 107 m/s (d) the Earth‚ of mass 6.0 × 1024 kg‚ moving along its solar orbit with a velocity of 3.0 × 104 m/s 3. The momentum of a 7.3 kg shot is 22
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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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