PhysWiz3.14
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Can someone look these over and answer them so I can make sure my work is correct
1. The value of g at the Earth's surface is about 10 m/s2. What is its value at a distance from the Earth's center that is three times the Earth's radius?
2.Calculate the speed in meters per second at which the Earth revolves around the Sun. Assume the orbit is nearly circular, with radius r=1.5 10^11 m.
3. Somewhere between the Earth and the Moon, the gravitational pull exerted by these two bodies on a space pod would cancel. Is this location nearer the Earth or nearer the Moon?
A) Nearer the Earth.
B) Nearer the Moon.
C) At the half-way point.
Thanks for the help in advance.
1. The value of g at the Earth's surface is about 10 m/s2. What is its value at a distance from the Earth's center that is three times the Earth's radius?
2.Calculate the speed in meters per second at which the Earth revolves around the Sun. Assume the orbit is nearly circular, with radius r=1.5 10^11 m.
3. Somewhere between the Earth and the Moon, the gravitational pull exerted by these two bodies on a space pod would cancel. Is this location nearer the Earth or nearer the Moon?
A) Nearer the Earth.
B) Nearer the Moon.
C) At the half-way point.
Thanks for the help in advance.
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