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In Conceptual Example 8.1 (Section 8.1 ), show that the iceboat with mass $2 \mathrm{~m}$ has $\sqrt{2}$ times as much momentum at the finish line as does the iceboat with mass $m$.

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$\sqrt{2} p_{A}$

Physics 101 Mechanics

Chapter 8

Momentum, Impulse, and Collisions

Moment, Impulse, and Collisions

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Lectures

04:30

In classical mechanics, impulse is the integral of a force, F, over the time interval, t, for which it acts. In the case of a constant force, the resulting change in momentum is equal to the force itself, and the impulse is the change in momentum divided by the time during which the force acts. Impulse applied to an object produces an equivalent force to that of the object's mass multiplied by its velocity. In an inertial reference frame, an object that has no net force on it will continue at a constant velocity forever. In classical mechanics, the change in an object's motion, due to a force applied, is called its acceleration. The SI unit of measure for impulse is the newton second.

03:30

In physics, impulse is the integral of a force, F, over the time interval, t, for which it acts. Given a force, F, applied for a time, t, the resulting change in momentum, p, is equal to the impulse, I. Impulse applied to a mass, m, is also equal to the change in the object's kinetic energy, T, as a result of the force acting on it.

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(II) Show that the kinetic…

04:09

Show that an object with m…

02:33

show that the linear momen…

02:30

32 Which iceboat crosses t…

01:56

Starting with the definiti…

01:23

Show that the speed of an…

03:41

(III) Show that the kineti…

02:59

Show that the speed of an …

00:46

07:51

06:19

Suppose that $n$ particles…

03:49

Masses $m$ and $3 m$ appro…

01:12

Show that an alternative f…

here in this problem you know that momentum and the expressed as E. Equal Special of two multi glover admiralty glamour. Yeah. Yeah. And is actually hear mass of high school and K. Is that magnetic energy of ice boat? No thank you, caution am equals two. Um Then momentum E dash it goes to Straddle of two multiplied by two and multiply. Yeah. Oh we can write this as P dash equal to square root of two, multiplied by the square root of two multi level. Um multiple ever. Okay. Therefore you dish it was still Straddled of two multi level and this is actually we have to prove so. And room.

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