Exams
Subjects
Classes
Home
Exams
Physics
Newtons law of gravitation
two planets a and b have ...
Question:
medium
Two planets A and B have the same material density. If the radius of A is twice that of B, then the ratio of the escape velocity vA/vB is
Show Hint
For same density planets, escape velocity is directly proportional to radius.
BITSAT - 2010
BITSAT
Updated On:
Mar 18, 2026
2
√(2)
1/√(2)
1/2
Show Solution
The Correct Option is
A
Solution and Explanation
Download Solution in PDF
Was this answer helpful?
0
Top Questions on Newtons law of gravitation
Two bodies of masses \( m_1 = 5 \, \text{kg} \) and \( m_2 = 10 \, \text{kg} \) are placed 2 meters apart. What is the gravitational force between them?
MHT CET - 2025
Physics
Newtons law of gravitation
View Solution
What is the gravitational force between two 5 kg masses placed 2 meters apart? (Take \( G = 6.67 \times 10^{-11} \, \text{Nm}^2/\text{kg}^2 \))
MHT CET - 2025
Physics
Newtons law of gravitation
View Solution
A 90 kg body placed at \( 2R \) distance from the surface of the earth experiences gravitational pull of:
(\( R \) = Radius of Earth, \( g = 10 \, \text{ms}^{-2} \)).
JEE Main - 2024
Physics
Newtons law of gravitation
View Solution
What is the minimum energy required to launch a satellite of mass m from the surface of a planet of mass M and radius R in a circular orbit at an altitude of 2R?
BITSAT - 2021
Physics
Newtons law of gravitation
View Solution
Want to practice more? Try solving extra ecology questions today
View All Questions
Questions Asked in BITSAT exam
What is the dot product of the vectors \( \mathbf{a} = (2, 3, 1) \) and \( \mathbf{b} = (1, -1, 4) \)?
BITSAT - 2025
Vector Algebra
View Solution
In a mixture of gases, the average number of degrees of freedom per molecule is 6. If the rms speed of the molecule is \(c\), what is the velocity of sound in the gas?
BITSAT - 2025
kinetic theory
View Solution
A ball is thrown vertically upward with a speed of 49 m/s. How long will it take to return to the thrower’s hand?
BITSAT - 2025
Kinematics
View Solution
Two identical bodies of mass 1 kg each are moving towards each other with velocities of 5 m/s and 3 m/s, respectively. They collide elastically. What will be the velocity of the body initially moving at 5 m/s after the collision?
BITSAT - 2025
Mechanics
View Solution
A simple pendulum of length 1 m is oscillating with an amplitude of 0.1 m. What is the maximum tension in the string if the mass of the bob is 0.2 kg? (Assume \( g = 10 \, \text{m/s}^2 \))
BITSAT - 2025
Pendulums
View Solution