If a man at the equator would weigh ( 3 5 ) th of his actual weight, the angular speed of…
Physics · JEE Main · NTA Exams — Gravitation
If a man at the equator would weigh \(\left(\frac{3}{5}\right)\)th of his actual weight, the angular speed of the earth is
- \(\sqrt{\frac{2}{5} \frac{g}{R}}\)
- \(\sqrt{\frac{g}{R}}\)
- \(\sqrt{\frac{R}{g}}\)
- \(\sqrt{\frac{2}{5} \frac{R}{g}}\)
Answer
(A) 2 5 g R
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- The radii of circular orbits of two satellites A and B of the Earth are 4R and R respectively. If the speed…
- The escape velocity from the earth is v e . What is the escape velocity from a planet whose mass and radius…
- An artificial satellite moving in a circular orbit around the earth has a total (kinetic + potential) energy…
- A satellite of mass m is orbiting the earth (of radius R) at a height h from its surface. The total energy of…
- Suppose the gravitational force varies inversely as the nth power of the distance. The time period of a…
- Two objects of masses m and 4m are at rest at infinite separation. They move towards each other under mutual…
- Choose the wrong statement. The orbital velocity of a body in a stable orbit around a planet depends upon
- If the spinning speed of the earth is increased, then weight of the body at the equator: