A force of 39 N accelerates a 4.3 kg block at 7.3 m/s^2 along a horizontal surface. What is the friction force acting on the block?

Describe the path of the electric current through a circuit?

At time t=0, a particle is located at the point (3,6,9). it travels in a straight line to the point (5,2,7), has speed 8 at (3,6,9) and constant acceleration 2i−4j−2k. find an equation for the position vector of the particle.

An electromagnet is a device in which moving electric chargers in a coil of wire create a magnet.whats one advantage of using electromagnetic in devices