- How long would it take for 150 pound object to hit the ground 7 floors high?

Discover Questions

What is the formula for the determinant of a 3 x 3 matrix. (see image)? If I have a 75 for my grade and my final exam is a 68. When the 68 gets added in how much will my grade be? Total of 3 columns divided by total of 3 different columns? What are data? or What is data? Would space Aliens go to the trouble to send ships here to make sure we humans are all dead?