How long would it take to free fall to the center of the Earth?
The acceleration of gravity is 9.8m/s2 and the radius of the Earth is 6.378 million meters. This means that you would fall through the entire Earth in only 42 minutes! Can you imagine traveling 8 thousand miles in less than an hour? You maximum velocity at the center would be roughly 8km/s (18,000 mph).
What happens when you get closer to the Centre of the Earth?
As you move towards the center, there is less and less of the Earth closer to the center than you are, so the gravitational field gets weaker and your weight decreases.
What will be the weight of a person at the center of the Earth?
zero
Thus, weight is zero where the acceleration due to gravity is zero. Hence, the weight of the body placed at the center of the earth is zero.
Could you fall all the way through the Earth?
Of course, falling all the way through the Earth is impossible, since its core is molten. As you approached the center of the earth the pull of gravity would decline and eventually (at the center) cease, but inertia would keep you going.
What would happen if we split the Earth in half?
However, if you separated the two halves, each half would violently collapse into a spherical shape. Each would form a planet larger than Mars, but smaller than Venus. Because of the energy released by the collapse, both planets would be completely molten at first, but then they would cool down and develop solid surfaces.
Could the Earth collapse into a spherical shape?
Yes they would rapidly collapse into more or less spherical shape faster than Quora can collapse an unhelpful answer. Goodby sweet Earth. Any large body will naturally become spherical because of its own gravity. Half the Earth would easily be large enough, so each half would collapse into a sphere.
Can you cut the Earth in half with a sword?
You can not cut the earth with a sword like blade, no known material is strong enough to mechanically split a rocky planet like huge object. Lets say you slice the earth with a fictional lightsaber like thing at light speed, Then the two pieces will stick back together due to gravity.
Should we leave half of the Earth free of humans?
The idea is right there in the name: leave about half the Earth’s surface mostly free of humans, so wild plants and animals can live there unimpeded as they did for so long before humans arrived. Same with the oceans, by the way; about a third of our food comes from the sea, so the seas have to be healthy too.