1. The wheel of a car is spinning with a period of 0.138 s. If the wheel has a radius of 0.343 m, what is the velocity of a point on the edge of the wheel? O 13.4 m/s
09.15 m/s
O 19.2 m/s
O 15.6 m/s

The summit of chimborazo, in ecuador, which is at a distance of about 6,384 km from the earth’s center. the bottom of the mariana trench, in the western pacific ocean, which is nearly 6,370 km from the center of the earth. on the surface of earth on the equator line.

Is the time in tennessee the same as florida

In a hydrogen molecule there are a total of four charges, 2 protons in the two nuclei, and 2 electrons. how many unique charge-pairs are there (without double counting)?