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posledela
3 years ago
12

.

Physics
1 answer:
Strike441 [17]3 years ago
3 0

Answer:

it have to be a

Explanation:

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K = 1800 kJ

Explanation:

Given that,

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K=\dfrac{1}{2}mv^2\\\\K=\dfrac{1}{2}\times 4000\times 30^2\\\\K=1800000\\\\or\\\\K=1800\ kJ

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