You got a dream, you gotta protect it. People can’t do something themselves, they wanna tell you, you can’t do it. If you want something, go get it. – Will Smith
Example 4.1 Rain is falling vertically with a speed of 35 ms–1 . Winds starts blowing after sometime with a speed of 12 ms–1 in east to west direction. In which direction should a boy waiting at a bus stop hold his umbrella ?
Example 4.2 Find the magnitude and direction of the resultant of two vectors A and B in terms of their magnitudes and angle θ between them.
Example 4.3 A motorboat is racing towards north at 25 km/h and the water current in that region is 10 km/h in the direction of 60° east of south. Find the resultant velocity of the boat.