When a baseball player stands in the batter's box waiting to swing at the ball, it takes about 0.7 milliseconds for the baseball to leave the pitcher's hand and reach home plate. A regulation baseball has a mass of 0.145 kg.
If the baseball player hits the baseball with a force of 6 N, what is the acceleration of the baseball?
A. O 0.21 m/s
B. O 41.4 m/s2
201 m/s2
D.
4.20 m/s2

The vector a? is 3.50 cm long and is directed into this page. vector b? points from the lower-right corner of this page to the upper-left corner of this page and has the components bx=-19.5 cm , by=25 cm. in the right-handed coordinate system, where the +x-axis directed to the right, the +y-axis toward the top of the page, and +z-axis out of the page, find the x-component of the vector product a? ×b? , measured in cm2.