An infinite wire carrying a direct current I (out of the page) is placed at a distance d in front of an infinite ground plane (yz-plane). Find the induced current density on the ground plane.

Acar travels 40m in 8 seconds find the car speed

Point charges q1=+2.00μc and q2=−2.00μc are placed at adjacent corners of a square for which the length of each side is 1.50 cm . point a is at the center of the square, and point b is at the empty corner closest to q2. take the electric potential to be zero at a distance far from both charges. part a what is the electric potential at point a due to q1 and q2? express your answer with the appropriate units.

Identify the type of heat transfer occurring when chocolate melts in your hand