2 A kovács a meleg vasat a hideg vízbe teszi. A vas
energiája 300 kJ-lal csökkent. Mennyivel nőtt a vízé?

The magnitude of the magnetic field at a certain distance from a long, straight conductor is represented by b. what is the magnitude of the magnetic field at twice the distance from the conductor? a. at twice the distance, the magnitude of the field is 4b.b. at twice the distance, the magnitude of the field is 2b.c. at twice the distance, the magnitude of the field is b/2.d. at twice the distance, the magnitude of the field is b/4.e. at twice the distance, the magnitude of the field remains equal to b.

Current from a charged capacitor lights a bulb. as time goes on the brightness of the

Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?