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bazaltina [42]
3 years ago
8

In a game of egg-toss, you and a partner are throwing an egg back and forth trying not to break it. Given your knowledge of mome

ntum, what hint could you give to your partner to keep the force of impact on the egg as low as possible? Clearly explain your answer.
Physics
1 answer:
lutik1710 [3]3 years ago
3 0
F=dP/dt.  So you want the momentum to change as slowly as possible in time to minimize the force.  So as you catch the egg, let your hand move backward with it for awhile, slowly bringing it to a stop.  If you hold your hand steady when you catch it the force due to the impact could break it.
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A) ω = 6v/19L

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Mb = Mass of bullet = Mr/4

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Ib = MbRb²

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A) From conservation of angular momentum,

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(Mb)v(L/2) = (Ir+ Ib)ω2

Where Ir is moment of inertia of rod while Ib is moment of inertia of bullet.

(Mr/4)(vL/2) = [(1/3)(Mr)L² + (Mr/4)(L/2)²]ω2

(MrvL/8) = [((Mr)L²/3) + (MrL²/16)]ω2

Divide each term by Mr;

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Divide both sides by L to obtain;

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[3v²Mr/152] / (1/8)(Mr)v² = 24/152 = 3/19

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