Question

How much work done is required to perform to stop a vehicle of mass 1500 kg running with a velocity 60km/h?

Answer 1

the amount of kinetic energy the vehicle has is the amount of word done required to stop the vehicle

K.E= 1÷2× mass ×( velocity)^2 = 1÷2×1500×60=45000KJ = work done

Answer 2

Answer:

Explanation:

The Biot-Savart Law is an equation that describes the magnetic field created by a current-carrying wire, and allows you to calculate its strength at various points. ... If you point your thumb in the direction of the current in a wire, your fingers will curl around that wire in the direction of the magnetic field