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A child on a bridge throws a rock straight down to the water below. The point where the child released the rock is 78 m above the water and it took 1.7 s for the rock to reach the water. Determine the rocks velocity (magnitude & direction) at the moment the child released it. Also determine the rocks velocity (magnitude & direction) at the moment it reached the water. Ignore air drag. | … Choose direction- vf -Choose direction … ▼ -10 points 1-D Kinematics: Free Fall Word Prob (y & t) My Notes Ask Your Teach A cannonball is fired straight up into the air. The cannonball leaves the cannon at a speed of 96 m/s. Determine how high the cannonball goes and how long it took to reach the peak. Ignore air drag Max height Time Submit Answer +-/10 points 1-D Kinematics. New Computational Problem (vl) My Notes Ask Your Teaclh A UFO going 48 m/s north suddenly experienced a constant acceleration for 30 s during which its displacement was 1,710 m south. Determine the magnitude of the UFOs acceleration & the final speed of the UFO Vf=

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2. u63 839 V 37.STT8x1-2- hal = 54.2/m

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