A lion has a mass of 45 kg. Answer the following questions about it, using correct units. a. The lion has a kinetic energy of 5000 J. What is the speed of the lion? (4 points)

Two identical 82 mg dust particles very far apart (pee 0) are moving directly toward each other at a speed of 3698 m/s. the charge on each is-719 ? c. determine how close they will get to each other. let k = 9x109 n-m2/c2 & ignore gravity.

How many molecules are present in 3 mols of silicon dioxide (sio2)?

Three charge are arranged as shown in the diagram. the magnitude of the net electrical force acting on the +6 uc charge, rounded to the tenths place, is .