2 years ago

Which of the following is MOST useful to scientists in measuring the size of asteroids?

Physics

1 answer:

Alenkasestr [34]2 years ago

5 0

Answer:c-The gravitational effect when spacecraft flies close to the asteriod

Explanation:

Gravitational effect on the spacecraft gives an estimate that how big is the asteroid by experiencing its gravitational pull.

The amount of extra thrust required to maintain the trajectory of the spacecraft during its motion hints at the scientist about the size of the asteroid.

Gravitational pull is directly proportional to the mass of object so greater the mass, greater will be the pull.

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Answer:

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Explanation:

Given that

Potential energy at top U₁= 7000 J

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Lets take kinetic energy at bottom level = KE₂

Now from energy conservation

U₁+ KE₁= U₂+ KE₂

Now by putting the values

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KE₂ = 7000 - 1000 J

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1 year ago

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