11. Momentum & Impulse

Impulse with Variable Forces

Physics 10   Momentum and Impulse (3 of 30) Impulse: Graphical Representation

Anderson Video - Impulse of a Tennis Ball

An object experiences a force given by the graph below. What value of Fmax would give an impulse of 6 N⋅s?<img src="https://cdn.clutchprep.com/problem_images/152242-9a46f63a1506a395.png" alt="" />

Force-time graph used to calculate impulse and work.

Momentum (4 of 16) Force vs Time Graph

Impulse of a Baseball Bat

Impulse of a Tennis Ball | Physics with Professor Matt Anderson | M9-12

A 2.0 kg toaster is subjected to one force only. The force is in the positive x-direction, and it varies in time such that before <math display=“inline”><mrow><mi>t</mi><mo>=</mo><mrow><mn>0.0</mn><mo rspace="thickmathspace">&#x2062;</mo><mi mathvariant="normal" class="MathML-Unit">s</mi></mrow></mrow></math>. <math display=“inline”><mrow><mi>F</mi><mo>=</mo><mn>0</mn><mtext>&#x200B;</mtext><mo rspace="thickmathspace">&#x2062;</mo><mi mathvariant="normal" class="MathML-Unit">N</mi></mrow></math>; between <math display=“inline”><mrow><mi>t</mi><mo>=</mo><mrow><mn>0.0</mn><mo rspace="thickmathspace">&#x2062;</mo><mi mathvariant="normal" class="MathML-Unit">s</mi></mrow></mrow></math> and <math display=“inline”><mrow></mrow></math>. <math display=“inline”><mrow><mi>F</mi><mo>=</mo><mn>10</mn><mtext>&#x200B;</mtext><mo rspace="thickmathspace">&#x2062;</mo><mi mathvariant="normal" class="MathML-Unit">N</mi></mrow></math>; and after <math display=“inline”><mrow><mi>t</mi><mo>=</mo><mrow><mn>3.0</mn><mo rspace="thickmathspace">&#x2062;</mo><mi mathvariant="normal" class="MathML-Unit">s</mi></mrow></mrow></math>. <math display=“inline”><mrow><mi>F</mi><mo>=</mo><mn>0</mn><mtext>&#x200B;</mtext><mo rspace="thickmathspace">&#x2062;</mo><mi mathvariant="normal" class="MathML-Unit">N</mi></mrow></math> again. If the toaster started from rest, how fast will it be moving at <math display=“inline”><mrow><mi>t</mi><mo>=</mo><mrow><mn>5.0</mn><mo rspace="thickmathspace">&#x2062;</mo><mi mathvariant="normal" class="MathML-Unit">s</mi></mrow></mrow></math>?

To Break a Window Should You Throw a Rock or Clay? | Physics with Professor Matt Anderson | M9-06

Physics 10   Momentum and Impulse (14 of 30) Ball Hitting Wall: Ex. 4

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