Impulse and Momentum example 1

The video tutorial explains how to determine the velocity of a 20 kg cart being pulled by a time-varying force. It begins with setting up the problem and drawing a free body diagram. The impulse-momentum formula is introduced and applied in the X direction. The integral of the force over time is split into two parts to simplify the calculation. The video concludes with solving the integral to find the cart's velocity after 4 seconds, which is 30 meters per second to the right.

What is the mass of the cart being pulled?

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How does the force P of T change over time according to the graph?

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Describe the forces acting on the cart as depicted in the free body diagram.

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What is the impulse and momentum formula mentioned in the text?

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What is the initial velocity of the cart?

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Explain how to calculate the area under the graph for P of T.

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What is the final velocity of the cart after 4 seconds?

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