Two identical small metal spheres are separated by 1.00 x 10^5 m and exert an 18.9 n repulsive force on each other. a wire is connected between the spheres and then removed. the spheres now repel each other, exerting 22.5 n force. assume both charges are positive. a)determine the total charge of this systemb)determine the charges of the spheres before the connection

Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system

A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?