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The theoretical escape velocity ($v_e$) from the surface of a spherical planet of radius $R$ and surface gravity $g$ is mathematically expressed as:
Subject
Physics
Topic
Mechanics
Subtopic
Gravitation
Source
Past Papers
medium
$v_e = 2gR$
$v_e = \sqrt{2gR}$
$v_e = \sqrt{gR}$
$v_e = gR$
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Concept Behind This Question
This question focuses on the concept of Gravitation under the broader topic of Mechanics.
Related key concepts: Physics, Mechanics.
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Question Details
- Subject:
- Physics
- Topic:
- Mechanics
- Subtopic:
- Gravitation
- Difficulty:
- medium
- Source:
- Past Papers
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An object begins with an initial velocity of 6 m/s and accelerates uniformly at 5 m/s² for 9 seconds. What is its final velocity?
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