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.
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter4: Motion In Two And Three Dimensions
Section: Chapter Questions
Problem 36P: An airplane flying horizontally with a speed of 500 km/h at a height of 800 m drops a crate of...
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