13. you throw a ball vertically upward, and as it leaves your hand, its speed is 37.0 m/s. how long (in s) does the ball take to return to the level where it left your hand after it reaches its highest point? (a) 1.38 seconds (b) 2.28 seconds (c) 3.78 seconds (d) 4.38 seconds (e) 5.18 seconds

(C) 3.78 seconds

Explanation:

At the highest point, the velocity is equal to 0m/s

 ; t is the time to reach the highest point

The  time the ball takes to return to its starting point after the ball  reach its maximum height is the same:

second mirror gathers light from a faraway object and reflects it to another mirror. - a.

probably not the "magnets"in the magnet, so to speak, are thought to be electrons orbiting in shells. vurrent loops two sides to the loop