Question Detail

PHY 101 PHY 101 Past Questions Objective Question
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Question

The escape velocity from the surface of the Earth is approximately:
Options
A 8 km/s
B 11.2 km/s
Correct Answer
C 24 km/s
D 3 × 10⁸ m/s
Correct Answer

Option B is the correct answer.

Detailed Explanation

states that for Earth, v_e is about 11.2 km/s. This is the minimum speed needed for an object to escape Earth's gravitational pull completely.

Hint

This value is much larger than orbital velocity (~8 km/s).

Question Info

Course: PHY 101
Topic: PHY 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 547 of 1250
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