A car travels from City A to City B to the north. It takes 4 hours, and the road mileage is 200 miles. The map shows that the cities are only 80 miles apart (straight-line distance). Calculate the average velocity and give the direction.

Two solutions of the same uv-absorbing molecule were analyzed by uv-vis spectroscopy on the same instrument using 1 cm pathlength cells. use data from the table to calculate by what percentage the concentration of solution b is compared to that of solution a.sample absorbance at 315nm a 0.45 b 0.80