L26 - Ang IM 2

# L26 - Ang IM 2 - L26 Angular Impulse Momentum Take 2 Admin...

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L26 Angular Impulse Momentum Take 2

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Admin Shooting eggs on Friday – meet in the Building 13 courtyard area (Bldg 13 is just West of the library) Given a range R, determine pullback angle for stopper angle of 110 and 125 degrees. Out of town Thurs-Fri (will email for online office hour) Weight of egg= 0.15 lbs
Lesson Objectives Calculate the angular momentum of a particle about a given point Calculate the angular momentum of a rigid body about a given point Use angular impulse momentum to solve rigid body dynamics problems Recognize the appropriate point about which to sum moments (especially for impact problems)

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Frisbee Launcher

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Catapult Questions? Full memo due on Wed– see Blackboard Fire with two rubber bands Point O is 31.5 inches off the ground Angle is measured from the small pointer on the arm
Linear impulse-linear momentum equation: G 1 + F dt = G 2 or (m v G ) 1 + F dt = (m v G ) 2 t 2 t 1 t 2 t 1 Angular impulse-angular momentum equation: (H G ) 1 + M G dt = (H G ) 2 or I

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L26 - Ang IM 2 - L26 Angular Impulse Momentum Take 2 Admin...

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