According to Faraday, the net force acting on a conductor is equal to product of magnetic field, current, length of conductor and sine of the angle between the field and current.
F = BILsinΦ
Where:
B is magnetic field
I is current in the loop
L is length of the loop
Φ is the angle between the magnetic field and current
Φ = 0, since the current and magnetic field are directed in opposite directions.
F = BILsin(0)
F = 0
Therefore, the net magnetic force acting on the loop is zero.
A soccer ball is traveling at a velocity of 50 m/s. The kinetic energy of the ball is 500 J.The mass of the soccer ball is 0.4 kgs. This answer is derived from the formula K=1/2 MV^2.So velocity and kinetic energy are given from that mass of the ball is calculated.By substituting the values 500=1/2*M*50*50 which gives M=0.4 Kgs.<span> </span>
