A boy throws a rock vertically upward from the roof of a high rise building. The rock then leaves the hands of the boy at an upward speed of 15.0m/s. Now, the rock is in free fall. On its downward path, it misses the roof slab of the building. Determine, 1. the object's position and speed at t = 4.0s and t = 1.0s 2. the velocity of the rock 5.0m above the building's roof slab 3. maximum height reached

Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 2.55P: A daring ranch hand sitting on a tree limb wishes to drop vertically onto a horse galloping under...
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A boy throws a rock vertically upward from the roof of a high rise building. The rock then leaves the hands of the boy at an upward speed of 15.0m/s. Now, the rock is in free fall. On its downward path, it misses the roof slab of the building. Determine, 1. the object's position and speed at t = 4.0s and t = 1.0s 2. the velocity of the rock 5.0m above the building's roof slab 3. maximum height reached 4. object's acceleration in no. 3
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