Fig. 19-4 shows two wires, in cross section, carrying 7.0 amperes out of the page. determine the total magnetic field, due to both wires, at point x midway between the wires.

Abody of weight 60 kg is standing in a lift the lift going upward with a uniform velocity of 4.9 metre per second slows down and stops in two seconds then apparent weight of the body during the slow down process is

Atomic nuclei of almost all elements consist of

During a car accident, a 125kg driver is moving at 31m/s and in 1.5s is brought to rest by an inflating air bag. what is the magnitude of the change in momentum to the driver