4. What average net force is required to stop a 4.5 kg bowling ball, initially at rest, accelerated for 6 seconds over a distance of 3 m?

Heat from the sun reaches earth to a. radiation b. convection c. conduction

Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10^−2 cm , mounted coaxially within a cylindrical anode with a radius of 0.5580 cm . the potential difference between the anode and cathode is 260 v . an electron leaves the surface of the cathode with zero initial speed (v initial=0). find its speed vfinal when it strikes the anode.

Atoms in a molecule are bonded together by sharing gaining or losing_