Question

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​

Answer 1

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.