I think the correct answer from the choices listed above is option B. The very high voltage needed to create a spark across the spark plug is produced at the transformer's secondary winding. <span>The secondary coil is engulfed by a powerful and changing magnetic field. This field induces a current in the coils -- a very high-voltage current.</span>
That can be considered alive.
Kinetic energy = mass time squared speed divided by 2
W=mv^2/2 = 50*10*10/2 = 2500 J
The momentum of the rolling ball will have less momentum than before the collision and the stationary ball will have more momentum after the collusion.
The candle is giving off light
Chemical energy from the candle is converted to thermal energy
