A ship is moving at a constant speed of 10 km//hr in the direction of the unit vector hat(i). In...

A bird is flying with a speed of 40 km/hr. in the north direction. A train is moving with a speed of 40km/hr. in the west direction. A passenger sitting in the train will see the bird moving with velocity:-

Find the unit vector in the direction of the vector vec a=hat i+hat j+2hat k

Find the unit vector in the direction of the vector vec a=hat i+hat j+2hat k

Find a unit vector in the direction of the vector vec a=3hat i-2hat j+6hat k

Find the unit vector in the direction of the vector : vec(a)=2hat(i)-3hat(j)+hat(k) .

Two trains A and B moving with speed 36 km/hr and 72 km/hr resp. in opposite direction. A Man moving in train A with speed 1.8 km/hr opposite to direction of train. Find velocity of man as seen from train B (in m/s)

The value of a unit vector in the direction of vector A=5hat(i)-12hat(j)

A Unit vector in the direction of the negative of the vector (-hat(i)+hat(j)-hat(k)) is

A train 270 metres long is moving at a speed of 25 km/hr. It will cross a man coming from the opposite direction at a speed of 2 km./hr. in: