Suppose a pumpkin is fired straight upward from the barrel of a cannon at a point 20 feet above the ground, at a speed of 90 feet per second. If there were no gravitational force pulling the pumpkin back toward the ground then, 1. How high would the pumpkin be after 1 second?, 2. How high would the pumpkin be after 2 seconds? 3. How high would the pumpkin be after 10 seconds? and last question 4. What does the ''t" represent and what does "h(t)" represent?