Superman flies directly upwards with a velocity of 150m/s for 0.7km, then 130m/s for another 0.7km. (4pts)
a. How long did Superman fly during his first 0.7km?

1)the gradual change in the length of your shadow over the course of the day is caused 2)which of the following occurs when the sun is directly above earth’s equator? 3)in the northern hemisphere, the longest day occurs on the