A body of mass 3 kg accelerates from 10 m/s to 20 m/s in 5 seconds due to the application of a force on it. Calculate the magnitude of this force (in N).
According to a latest report by UN Women and the UN Development Programme (UNDP), released in November 2017, which region has been ranked as the world's most violent region for women?
In a triangle ABC, the length of in-radius and circum-radius is 2 units and 6 units respectively. Find the distance (in units) between the in-centre and circum-centre.