velocity - v = ___________________ 15. Terminal velocity – the highest velocity that will be reached by a _________________________________ 16. Momentum – A train is harder to stop than a car going at the same speed…. Why? Train has more ________________ Momentum depends on mass and _________________________ 17. Momentum Equation – p=mv Momentum (______) = mass (_____) x velocity (_______). SI unit –
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to physics including friction‚ collisions‚ conservation of energy‚ and conservation of momentum. Momentum is force of moving objects. It can be measured by multiplying an object’s mass and velocity. Basically‚ the concept of conservation of momentum is that the total momentum of objects before a collision is equal to the total momentum of the objects after the collisionIt is essential to remember that momentum is a vector quantity‚ meaning its definition requires the direction of the force. Newton’s
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is to demonstrate the application of the momentum equation. The force generated by a jet of water deflected by an impact surface is measured and compared to the momentum change of the jet. To relate: • Direct measurement of impact forces • Effect of flow rate and velocity • Effect of various deflection angles Introduction / Theory Newton’s Second law states that The applied forces is equal to the rate of change of momentum [pic] Newton’s Second Law of Motion
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Lesson 1.02 Speed‚ Velocity‚ and Acceleration Speed- measures the amount of distnace traveled in a given amount of time. (Doesn’t measure the direction of the travel) How fast an object is going with respect to a frame of reference. You find speed by dividing distance by time. (Speed = distance/time) Instantaneous speed- the speed you are traveling at that moment‚ instead of an average. Motion- change in position of an object‚ relative to a frame of reference. Frame of reference- place or object
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roughly analogous to a spinning top. The combination of orbital and spin motions is called the angular momentum of the electron. Angular momentum is perhaps most easily understood in the case of the Earth: The earth spins about a central axis‚ which means it at has an angular momentum around that axis. The planets also have an angular momentum as they revolve about the sun. Now‚ the angular momentum of an electron is a vector quantity‚ meaning it has direction. The motion of the electron produces
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propellant explodes and sent the bullet flying forward. Because of Newton’s law‚ the gun comes back with an equal momentum as the bullet has moving forward. So why does the gun not go through your arm? It is because‚ while the bullet has great momentum‚ it is because of its speed‚ since the gun is heavy and has its impact over the whole of the shoulder with the use of the stock; it means the momentum is spread out unlike the small point of the bullet
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sound easy‚ but it’s a lot harder than it seems. Just getting it to go that far is like “pitching a cotton ball at major league speeds.” The design of the rods makes this almost impossible task a little easier. The key is momentum. Momentum is the mass multiplied by the velocity‚ so when the rod gets smaller
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Leaving Cert Physics Acceleration‚ Force‚ Momentum‚ Energy long questions Remember to photocopy 4 pages onto 1 sheet by going A3→A4 and using back to back on the photocopier 2012 - 2002 Solutions to ordinary level questions begin on page 11 Solutions to higher level questions begin on page 19 Velocity 2010 Question 12 (a) [Higher Level] (i) A student holds a motion sensor attached to a data-logger and its calculator. List the instructions you should give the student so that
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Nye begins this chapter with examples of where technology influenced history with a new term called technological momentum. He explains how technology gains traction in a society due to its culture and that technology can cause soft determinism once gained momentum. After these examples‚ he begins to explain the two different ways technology historians discuss technological advances. These two types of historians are contextualists and
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SPH4U0 2-D COLLISIONS LAB PURPOSE To determine if momentum and kinetic energy are conserved during elastic and inelastic collisions. PROCEDURE AND CALCULATIONS 1. Run both the elastic and inelastic collision simulations and record the data as instructed by the teacher (you will do an import). You will need to base your calculations on the data before and after the collision. Do not use data in the middle because it is not clear exactly when the collision occurs. The software measures time
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