A rock is launched into the air with a velocity of 12.7 m/s at an angle of 32° off the horizontal ground. Which of the following is true? a) The acceleration is 9.8 m/s to the right. b) acceleration is 9.8 m/s to the left. c) acceleration is 9.8 m/s upward. d) The acceleration is 9.8 m/s downward. e) none of the above

22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?