Question

calculate the force of gravitation between two object of masses 800kg and 2000kg separated by a distance of 1000m from each other given G=6.67x10^-1 Nm^2kg^-2

Answer 1

Answer:

12 litres of a solution contains 331 % of acid.

3.

How many litres of water is to be added to

reduce the acid percentage to 20%