PhysicsSpaceships are provided with heat shields to protect them during ____ and ____  of the earth’s atmosphere.


Spaceships are provided with heat shields to protect them during ____ and ____  of the earth's atmosphere.


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    Solution:

    Concept- Because spacecraft reach the atmosphere of each, their velocity becomes quite great, they face tremendous frictional forces while passing through the Earth's atmosphere. As a result, it has a very high frictional force on its surface. Spaceships experience a significant amount of friction or drag while entering 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. These resistances squander a significant quantity of energy, which is usually transformed to heat. Without a shield, the starship would quickly burn. As a result, heat shields are utilised to safeguard spaceships. The shield contains elements such as silica. These absorb the majority of the heat generated by friction.
    Hence, Heat shields are installed on spaceships to protect them during exit and reentry into the Earth's atmosphere. The spacecraft would have burned up if they didn't have these shields.
    Hence, the answer is Exist, reentry.
     
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