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borishaifa [10]
3 years ago
15

A 1000 kg car slows down from 30 m/s to 20 m/s. The change in kinetic energy will be?

Physics
1 answer:
goblinko [34]3 years ago
6 0
1050kg sorry Ik this is not correct
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Answer:

The answer to your question is    m₂ = 38.5 kg

Explanation:

Data

distance = d = 2.1 x 10⁻¹ m

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Process

1.- To solve this problem use Newton's law of Universal Gravitation.

             F = G m₁m₂ / r²

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2.- Substitution

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3.- Simplification

            m₂ = 1.411 x 10⁻⁷ / 3.669 x 10⁻⁹

4.- Result

            m₂ = 38.5 kg

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