Passengers in the jet transport A flying East at a speed of `800kmh^(-1)` observe a second jet plane B that passed under the transport in horizontal flight. Although the nose of B is pointed in the `45^(@)` North East direction,plane B appears to the passengers in A to be moving away from the transport at the `60^(@)` angle as shown. The true velocity of B is ?

A long straight wire in the horizontal plane carries as curret of 75 A in north to south direction, magnitude and direction of field B at a point 3 m east of the wire is

A car A is moving with speed "40 km h"^(-1) along a straight line 30^(@) north of east and another car B is moving with same speed along a straight line 30^(@) south of east. The relative velocity of car A as observed from the car B is

An aeroplane has to go from a point P to another point Q, 1000 km away due north. Wind is blowing due east at a speed of 200 km//h. The air speed of plane is 500 km//h. (a) Find the direction in which the pilot should head the plane to reach the point Q. (b) Find the time taken by the plane to go from P to Q.

An aeroplne A is flying horizontally due east at a speed of 400 km//hr .Passengers in A , observe another aeroplane B moving perpendicular to direction of motion of A .Aeroplane B is actually moving in a direction 30^(@) north of east in the same horizontal plane as shown in the figure.Determine the velocity of B

Jet plane A is moving towards east at a speed of 900 km//hr . Another plane B has its nose pointed towards 45° N of E but appears to be moving in direction 60° N of W to the pilot in A. Find the true velocity of B. [sin 60° = 0.866 , sin 75° = 0.966]

A link AB is moving in a vertical plane. At a certain instant when the link is inclined 60^(@) to the horizontal the point A is moving horizontaly at 3m//s , while B is moving in the vertical direction. What is the velocity of B ?

An aeroplane is fluisg with velocity vec v_p (= 100 ms^(-1) towards East) with respect to ground through motionless air and vec v_w is the wind velocity with respect ot ground. The total velocity of aeroplane is vec v=vec v_P+ vec v_w The magnitude of the velocity is often called speed . the heading of the plane is the direction in which the nose of the plane is the direction is which th nose fo the plane points. In fact, it is the direction in which the engine propels the plane . Abswer the following questions : If the wind blow with velocity 25 ms^(-1) Norhtwards, the plane velocity is deflected from East by an angle.

A river is flowing from west to east with a speed 5 m s^(-1) . A swimmer can swim in still water at a speed of 10 m s^(-1) . If he wants to start from point A on south bank and reach opposite point B on north bank. In what direction direction should he swim ?

Two trains A and B are moving with same speed of 100km//hr .Train A moves towards east and train B moves towards west.An an instant when the trains are moving side by side, an aeroplane files above the trains horizontally.For the passengers in the train A , the plane appears to fly from North to South direction.For the passengers in the train B , the plane appears to fly in a direction making an angle 60^(@) to North-South direction.