A person standing at the end of a room in front of a window 1.1 m high notices that a shoelace climbs in a vertical direction near the outer surface of the window and is out of sight at the upper border of the window; then he returns and At the lower border of the window, it is out of sight. If the total time when the toe of the shoe is exposed is 0.74 seconds, how high is the toe of the shoe higher than the upper edge of the window?

from 1609, galileo galilei used the recently invented telescope to observe the sun, moon and planets. he saw the mountains and craters of the moon, and for the first time revealed the planets to be worlds in their own right. galileo also provided strong observational evidence that planets orbited the sun.

his discoveries about the moon, jupiter's moons, venus, and sunspots supported the idea that the sun - not the earth - was the center of the universe, as was commonly believed at the time.galileo turned his gaze toward venus, the brightest celestial object in the sky - other than the sun and the moon.

lexy is right because she has the labeled s

talk back to him about the sport and show him your expertise or leave the room