Momentum:.

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Conservation of Momentum

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Presentation transcript:

Momentum:

Momentum is a vector! Momentum: Measure of mass in Motion Momentum = mass * Velocity Or P= MV Standard Unit : Kg * m/s Momentum is a vector!

3 Kg * m/s .25 Kg * m/s A 3 kg ball is moving with a velocity of 1 m/s. What is the ball’s momentum? 3 Kg * m/s What is the momentum of a .5kg ball moving .5 m/s? .25 Kg * m/s

Conservation of Momentum: Collision: Two objects that exchange energy and Momentum Conservation of Momentum: total momentum of a system of objects does not change, as long as no outside force acts on the system

How does increasing the speed of an Object change its Momentum? A car and a Truck are traveling at the Same speed. Which has more momentum? Why Give two examples showing the Conservation of Momentum. Give one Example where momentum is not Conserved.

A performing dolphin speeds through water and hits a rubber ball originally at rest. Describe what happens to the velocities of the ball and dolphin? A moving train car bumps into another train car with the same mass. After the collision, the two cars are coupled together and move off. How does the final velocity of the two trains car change?