An arrow is launched vertically upward from a crossbow at 98.2 m/s. Ignoring air friction, what is its instantaneous acceleration 4.20 s into the flight?
Physics - drwls, Friday, October 8, 2010 at 3:16am
The acceleration will be -g, which is -9.8 m/s^2, at all times. It is directed downward.
It makes no difference what the initial speed or the elapsed time is. Those numbers are put there to confuse you.
Physics - Connie, Friday, October 8, 2010 at 3:18am
Physics - Anna, Saturday, October 9, 2010 at 6:58pm