Date Page If the earth has a mass 9 times and radius twice ef the planet mass, calculate the minimum speed required by a a flocket to pull out of the gravitational House of mass, Escape to speed for an object on the surface of the earth is 11. 2km grl
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Explanation:
The mean of 10 numbers is 55
=> the sum of 10 numbers = 55×10 = 550.
When one number is included, the mean becomes 60.
the mean of 11 numbers is 60
=> sum of 11 numbers = 60×11 = 660.
The included number = sum of 11 numbers - sum of 10 numbers
=> 660 - 550
=> 110.
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