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What are escape velocity? - Science and Technology 1

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प्रश्न

What is escape velocity? 

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उत्तर

The minimum velocity required to project an object to escape from the Earth's gravitational pull is known as escape velocity. It is given as: vesc = `sqrt((2"GM")/"R")`

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अध्याय 1: Gravitation - Exercises [पृष्ठ १४]

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बालभारती Science and Technology 1 [English] Standard 10 Maharashtra State Board
अध्याय 1 Gravitation
Exercises | Q 2.2 | पृष्ठ १४

संबंधित प्रश्न

Gravitational force acts on all objects in proportion to their masses. Why then, a heavy object does not fall faster than a light object?


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State whether the following statement is true or false :

The acceleration due to gravity acting on a freely falling body is directly proportional to the mass of the body.


Explain why, if a stone held in our hand is released, it falls towards the earth.


Name the force which wears away two surfaces as they move over one another.


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i) If g = GM/r2 then where will the value of g be high at Goa Beach or on top of Mount Everest? 


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(Hint : Acceleration = Slope of the v-t graph)


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Write a short note.

Escape Velocity


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(Given: G = 6.67 × 10-11 Nm2/kg2)


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