Q: Suppose the earth increases its speed of rotation. At what new time period will the weight of a body on the equator becomes zero ? (Given, g = 10 ms-2 and radius of the earth, R = 6400 km)
(a) 9/4π
(b) 4/9π
(c) 9/5π
(d) 5/9π
Ans: (b)
Science|Math|Engineering
Q: Suppose the earth increases its speed of rotation. At what new time period will the weight of a body on the equator becomes zero ? (Given, g = 10 ms-2 and radius of the earth, R = 6400 km)
(a) 9/4π
(b) 4/9π
(c) 9/5π
(d) 5/9π
Ans: (b)