A projectile's horizontal range on level ground is r=v20sin2θ/g. At what launch angle or angles will the projectile land at half of its maximum possible range.

Which statement summarizes how the chart illustrates the author position on ethanol

Alex determined that his average speed when he commuted to work is 35 miles per hour. what conversion factor can be used to convert this speed to feet per hour?

The different forms of a gene for a given trait are called .