State whether the following statement is true or false.

Spaceships are provided with heat shields to protect them during exist and re-entry of the earth's atmosphere. If they didn't have these shields the ship would burn up.

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True

False

answer is A.

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Detailed Solution

The given statement is true.
Concept:
Due to the atmosphere, spaceships experience a lot of friction or drag when approaching or departing the Earth's atmosphere. The magnitude of frictional force is particularly significant due to the very high speed and acceleration of a spaceship. Due to these resistances, a large quantity of energy is wasted, which is largely converted to heat. The spaceship would quickly burn if it didn't have a shield. As a result, spaceships are protected with heat shields. The shield contains elements such as silica. These absorb the majority of the heat generated by friction.
Heat shields are installed on spaceships to protect them during departure and reentry into the Earth's atmosphere. The spacecraft would have burned up if they didn't have these shields.
Hence, the given statement is true.

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