Escape velocity on a planet is ve. If radius of the planet remains same and mass becomes 4 times, the escape velocity becomes
A. 4ve
B. 2ve
C. ve
D. 0.5 ve
Answer:B
Escape velocity on a planet is ve. If radius of the planet remains same and mass becomes 4 times, the escape velocity becomes
A. 4ve B. 2ve C. ve D. 0.5 ve