3 years ago

El salto con garrocha es practicado por:

Physics

1 answer:

Ulleksa [173]3 years ago

8 0

D. Solo a y b
De nada

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Course hero N4M.6 A board has one end wedged under a rock having a mass of 380 kg and is supported by another rock that touches

aleksandrvk [35]

Answer:

Therefore it is save to carry a 62kg adult

Explanation:

From the question we are told that:

Mass $m=380kg$

Height of supporting Rock $X=85cm$

Length of Board $L_r=4.5m$

Mass of board $M_b=22kg$

Mass of adult $M_a=62$

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$N -Q + R = Mg + mg$

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$0.85*N = + Mg*2.25 + mg*(2.25 + x)$

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Explanation:

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