AP Physics Impulse and Momentum

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12 Terms

1
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What is Momentum?

Inertia in motion

2
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What is the equation for momentum?

P= M x V

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What is the unit for momentum?

kg x m/s

4
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What is Impulse?

change in momentum

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What does Inertia depend on

mass

6
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what does momentum depend on?

velocity

7
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what is the equation for impulse

I= m(vf-vi)

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<p><span>A car of mass 1500 kg is speeding up as shown in the graph below. What is the car’s impulse?</span></p>

A car of mass 1500 kg is speeding up as shown in the graph below. What is the car’s impulse?

30,000 kgxm/s

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What is another way to write newtons second law

An external force can cause a change in momentum

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Change in momentum

I = Δp = Faverage.t

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When an object bounces back, its velocity is what?

negative

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<p>How can we find impulse?</p>

How can we find impulse?

lxw divide in half if triangle