Calculate the escape velocity of a satellite launched from the earth's surface if the radius of the earth is 6.4x10⁶m

25.3kms^-1

4.2kms^-1

4.0kms^-1

11.3kms^-1

View answer & explanation

Correct answer is D

V_escape = $\sqrt{2gR}$
V_escape = $\sqrt{2\times10\times6.4\times10^6}$
V_escape = $\sqrt{128000000}$
V_escape = 11313.7085mS^-1
V_escape = 11.313kmS^-1

See all Physics questions & answers

See more WAEC questions & answers

Aptitude Tests

Puzzles Questions and Answers

Numerical Reasoning Questions and Answers

Microsoft Office Questions and Answers

Spatial Reasoning Questions and Answers

Situational Judgement Questions and Answers

Logical Reasoning Questions and Answers

Personality Test

Nigeria General Knowledge Questions and Answers

Data Interpretation Questions and Answers

Typing Speed and Accuracy Test

Verbal Reasoning Questions and Answers

Abstract Reasoning Questions and Answers

Quantitative Reasoning Questions and Answers

See all →

View latest jobs in Nigeria today

Calculate the escape velocity of a satellite launched from the earth's surface if the radius of the earth is 6.4x106m

Similar Questions

Aptitude Tests

Calculate the escape velocity of a satellite launched from the earth's surface if the radius of the earth is 6.4x10⁶m