if this is not true is one or the other non-zero. i am pretty sure that they are both zero but I just figured I'd check because im a lazy right now.
2006-09-25 12:48:08 · 3 answers · asked by stylesofbeyond40 1 in Science & Mathematics ➔ Physics
I believe that the instantaneous velocity will be 0, but the instantaneous acceleration will be the same throughout the flight of the rock, i.e. the acceleration due to gravity, -9.8 m/s^2.
2006-09-25 13:04:44 · answer #1 · answered by Chris R 1 · 1⤊ 0⤋
Chris is correct. Instantaneous velocity is zero because the object instantaneously stops. Think about this - if the velocity and the acceleration are both zero, how will the object move? Acceleration is the *change* in velocity over time. Zero acceleration means there is no change in velocity - velocity must be constant. If the velocity is zero, and doesn't change, how could it move?
Please do give this some thought. It actually is a tricky concept, and if your teacher is anything like me, she will ask you a question about it on the exam!
2006-09-25 21:10:37 · answer #2 · answered by kris 6 · 1⤊ 0⤋
I think you are acceleration and velocity will be zero.
2006-09-25 21:21:01 · answer #3 · answered by anpao1 3 · 0⤊ 0⤋