25 Jan The escape velocity for planet with a mass of 8.00 x 10^25 kg and a radius of 21,000 km is ____ m/s. The gravitational force of attraction between two 850,000 kg rocks that are 1.80 meters
The escape velocity for planet with a mass of 8.00 x 10^25 kg and a radius of 21,000 km is ____ m/s.
The gravitational force of attraction between two 850,000 kg rocks that are 1.80 meters apart is ____ N.
A comet that is 460,000,000 km from Earth has a measured angular diameter of 0.00125 degrees. The linear diameter of this comet is ___ km.
The period of a comet is measured to be 62.00 years. The average distance between this comet and the Sun is ____ astronomical units.
Most asteroids orbit around the Sun at distances greater than the orbit of Mars but less than the orbit of Jupiter. The amount of time it takes an asteroid, whose average distance from the Sun is 3.80 astronomical units, to complete one orbit around the Sun is ____ years.
The maximum distance between the Earth and Mars is 378,000,000 km and the minimum distance is 78,000,000 km. When the distance is 258,000,000 km, the amount of time for a radio signal to travel from Mars to Earth is ____ seconds.
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