The driver of a car traveling at 21 m/s applies the brakes and decelerates at the rate of -3.8 m/s. (a) How long does it take to bring the car to a stop?

Along, straight wire with 3.0 a current flowing through it produces magnetic field strength 1.0 t at its surface. if the wire has a radius r, where within the wire is the field strength equal to 36.0% of the field strength at the surface of the wire? assume that the current density is uniform throughout the wire

Consider two metallic rods mounted on insulated supports. one is neutral, the other positively charged. you bring the two rods close to each, but without contact, and briefly ground the the neutral rod by touching it with your hand. show answer correct answer what would be resulting charge (if any) on the initially neutral rod

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration