A van is traveling at a constant speed of 54km. h^-1 in a 40km. h^-1 and the policeman starts his car from rest just as the van passes him. the police car accelerates at 2m. s^-2 until it reaches a maximum velocity of 20m. s^-1. Which vehicle between the van and police car will be ahead at the time of 10m. s^

Current enters a circuit at a: 1.positive terminal 2.negative terminal 3.low potential side 4.resistor

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

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?