Shante makes a diagram to compare the effects of short-term and long-term environmental changes. Which statement should she place in the region marked X? Cause speciation Affect organisms Are caused by plate tectonics Are driven by solar energy changes No links please or i will say a few things you won't like : )

The x-coordinate of a particle in curvilinear motion is given by x = 3.1t3 - 4.9t where x is in feet and t is in seconds. the y-component of acceleration in feet per second squared is given by ay = 2.3t. if the particle has y-components y = 0 and vy = 5.0 ft/sec when t = 0, find the magnitudes of the velocity v and acceleration a when t = 1.8 sec. sketch the path for the first 1.8 seconds of motion, and show the velocity and acceleration vectors for t = 1.8 sec. answers: v = ft/sec a = ft/sec2