A child on a bridge throws a rock straight down to the water below. The point where the child released the rock is 99 m above the water and it took 1.9 s for the rock to reach the water. Determine the rock's velocity (magnitude & direction) at the moment the child released it. Also determine the rock's velocity (magnitude & direction) at the moment it reached the water. Ignore air drag.
A child on a bridge throws a rock straight down to the water below. The point where the child released the rock is 99 m above the water and it took 1.9 s for the rock to reach the water. Determine the rock's velocity (magnitude & direction) at the moment the child released it. Also determine the rock's velocity (magnitude & direction) at the moment it reached the water. Ignore air drag.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:A child on a bridge throws a rock straight down to the water below. The point where the child released the rock is 99
m above the water and it took 1.9 s for the rock to reach the water. Determine the rock's velocity (magnitude &
direction) at the moment the child released it. Also determine the rock's velocity (magnitude & direction) at the
moment it reached the water. Ignore air drag.
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