A
Cl is the chemical symbol for chlorine numbers after it are isotopes
Any charged object can<span> exert the force upon other objects ... i think tell me if im right</span>
Average speed=total distance traveled/time. Total distance=the sum of the two short distances=79*2+77*3=389 km. Total time used to travel is 2+3=5 hr. Average speed is 389/5=77.8 km/hr.
The slowest line is the solid line and the fastest is the dotted line that crosses the solid line
for future reference you just need to find the slope or the line which is traveling most vertical
