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sattari [20]
2 years ago
11

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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Why does Energy appear continuous in everyday life?
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Answer:

The first law of thermodynamics, also known as Law of Conservation of Energy, states that energy can neither be created nor destroyed; energy can only be transferred or changed from one form to another. For example, turning on a light would seem to produce energy; however, it is electrical energy that is converted. Nothing happens to the energy. It does not change form, since energy has no form. ... If the energy was moving, it gets stored or re-transmitted elsewhere. Using energy means controlling its movement, rather than consuming it.

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3 years ago
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pochemuha
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2 years ago
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2 years ago
You need to push a heavy box across a rough floor, and you want to minimize the average force applied to the box during the time
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