An aircraft executes a horizontal loop at a speed of `720 km//h` with its wings banked at `15^@`. What is the radius of the loop ?

An aeroplane travelling at a speed of 500 km h^-1 banks at an angle of 30^@ as it makes a turn .What is the radius of the curve?

An aircraft executes a horizontal loop of radius 1.00 knr with a steady speed of 900 km//h . Compare its centripetal acceleration with the acceleration due to gravity.

A man walks at a speed of 6 km h^-1 for 1 km and 8 km h^-1 for the next 1 km.What is the average speed for the walk fo 2 km?

In a harbour, wind is blowing at the speed of 72 km//h and the flag on the mast of a boat anchored in the harbour flutters along the N-E direction. If the boat starts moving at a speed of 51 km//h to the north, what is the direction of the flag on the mast of the boat ?

A jet airplane travelling at the speed of 500 km h^-1 ' ejects its products of combustion at the speed of 1500 km h^-1 ' relative to the jet plane. What is the speed of the latter with respect to an observer on the ground ?

An aircraft with a wingspan of 40 m flies with a speed of 1080 km/hr in the eastward direction at a constant altitude in the northern hemisphere, where the vertical component of the earth's magnetic field 1.75 xx10^(-5) . Then the emf developed between the tips of the wings is

A boy throws a ball in air at 60^@ to the horizontal along a road with a speed of 10 m/s (36km/h). Another boy sitting in a passing by car observer the ball. Sketch the motion of the ball as observed by the boy in the car,if car has a speed of (18km/h). Give explanation to support your diagram.