Which substance has particle with the highest average kinetic energy? 50. g of solid iron at 35 degrees Celsius
100. g of liquid water at 300 Kelvins
100. g of carbon dioxide gas at 298 Kelvins
125 a nf liquid hromine at 25 degrees Celsius

the answer is b. dilution

answer; capital earns interest; entrepreneurship receives a profit or incurs a loss;

answer;

18.5 seconds

explanation;

velocity is distance covered per unit time; it is given by displacement divided by time.

thus; time = displacement/velocity

total time = total displacement/velocity

total distance = 5000 meters south

total time = 5000/4.5

                  = 1111.11 seconds

but; 1 minute = 60 sec

thus; 1111.11 /60

                = 18.51 seconds

thus; the time taken is 18.5 seconds