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Irina-Kira [14]
2 years ago
11

A stone has a volume of 0.50 cm³ and a mass of

Physics
1 answer:
Dafna1 [17]2 years ago
8 0

Answer:

ρ = M / V = 2 g / .5 cm^3 = 4 g/cm^3

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Answer:

<h2>10,000 kg</h2>

Explanation:

The mass of the train can be found by using the formula

m =  \frac{2k}{ {v}^{2} }  \\

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v is the velocity

From the question we have

m \frac{2(2000000)}{ {20}^{2} }  =  \frac{4000000}{400}  =  \frac{40000}{4}  \\

We have the final answer as

<h3>10,000 kg</h3>

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