Web19 okt. 2010 · 15. The Earth's core temperature hasn't gone down very much since the first life. The average diameter of the Earth is measured extremely accurately (0.1mm levels by VLBI) and doesn't change much. The length of the day has been increasing as the Earth's rotation slows (due to the moon) the years was 450-500 days long in the days of dinosaurs. Web9 apr. 2024 · Hint: In these types of questions, we always first write the formula for the original value of the quantity in consideration, here it is acceleration due to gravity, then we make the changes given in the question and then compare it with the original formula. Here, we need to keep a formula in mind which is: \[g=\dfrac{GM}{{{R}^{2}}}\] ...
If earth shrinks then the duration of day: - Toppr
WebIf the radius of earth shrinks by 2.4 % mass remaining same then the acceleration due to gravity would changes to. If earth suddenly shrinks and its radius becomes half, then what will be the duration of a day? Web14 apr. 2024 · If the earth shrinks such that its density becomes 8 times to the present value, then the new duration of the day in hours will be. AP EAPCET; ... from earth is … hobby t70 ge
What will be the duration of the day if the Earth suddenly …
WebBefore it shrinks, Weight of object on Earth (W) = G M e m R 2 e ⋯ (1) When the Earth shrinks i.e. R ′ e = 1 2 R e, Weight of object on Earth W ′ = G M e m (1 2 R e) 2 W ′ = 4 G M e m R 2 e ⋯ (2) W' = 4W from equation (1) Percentage change in weight of an object = 4 W − W W × 100 = 3 W W × 100 = 300 So, weight of the object ... WebAssuming the earth to be sphere of uniform mass density, how much would a body weight half way down… The minimum and maximum distances of a satellite form the centre of the earth are 2R and 4R… Suppose our planet, the earth, suddenly shrinks in size, still remaining perfect spherical, then; An artificial satellite is revolving round the ... Web16 feb. 2024 · (a)The moment of inertia of a thin uniform circular ring about an axis passing through its centre and perependicular to its plane is MR². 1.To calculate the moment of inertia we can take a small mass of dm hsm 3 full movie