P&Q are 2 forces such that their resultant is R . IF Q is doubled R IS also doubled if Q is reversed then again R is doubled then p.t. P:Q:R:: 2 : 3 : 2 ...
A man is moving at the speed of 3 km/h due East to him it appears that the wind is blowing from the North direction . Now if he doubles his speed. The wind appears to blow from the North east direction . Then find the magnitu ...