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Ne4ueva [31]
3 years ago
7

The diagram below shows the layers of a rock having a trilobite. which statement about the rock fossils is true?

Physics
1 answer:
emmainna [20.7K]3 years ago
3 0

Actually the greatest information we can extract from the graph is that the lower the fossil is located beneath the rock, the older it is. So we can see that fossil A is the oldest, trilobite and fossil B came together, and fossil C is the youngest. From the choices, the answer is:

 

D. fossil B belongs to the same period as the trilobite

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Daffy Duck is standing 6.8 m away from Minnie Duck. The attractive gravitational force between them is 5.4x10-8 N. If Daffy Duck
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Explanation:

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Distance apart (r) = 6.8 m

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NOTE: Gravitational constant (G) = 6.67×10¯¹¹ Nm²/Kg²

The mass of Minnie Duck can be obtained as follow:

F = GM₁M₂ / r²

5.4×10¯⁸ = 6.67×10¯¹¹ × 86.5 × M₂ / 6.8²

5.4×10¯⁸ = 6.67×10¯¹¹ × 86.5 × M₂ / 46.24

Cross multiply

6.67×10¯¹¹ × 86.5 × M₂ =5.4×10¯⁸ × 46.24

Divide both side by 6.67×10¯¹¹ × 86.5

M₂ = 5.4×10¯⁸ × 46.24 / 6.67×10¯¹¹ × 86.5

M₂ = 432.78 Kg

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