An Olympic swimming pool is 50 meters long. You swam from one end to the other four times.
a. How many meters did you swim?

The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

Panel bc in fig. p2.76 is semi-circular, with the 3 meter radius and horizontal straight edge through point b. compute (a) the hydrostatic force of the water on the panel, (b) its center of pressure, and (c) the moment of this force about point b. assume atmospheric pressure on the dry side of the panel