24/ A rock is dropped from the top of the Eiffel Tower and reached the height of 30m above the round. The rock height at t sec. was S = 64t3 – 144t² + 108t - 27.Find: a. How long does it take to hit the ground? b. What is the velocity of the rock at the time of the impact?
24/ A rock is dropped from the top of the Eiffel Tower and reached the height of 30m above the round. The rock height at t sec. was S = 64t3 – 144t² + 108t - 27.Find: a. How long does it take to hit the ground? b. What is the velocity of the rock at the time of the impact?
College Physics
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ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter3: Vectors And Two-Dimensional Motion
Section: Chapter Questions
Problem 7WUE: A skier leaves the end of a horizontal ski jump at 22.0 m/s and falls through a vertical distance of...
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![Q4/ A rock is dropped from the top of the Eiffel Tower and reached the height of 30m above the
ground. The rock height at t sec. was S = 64t3 - 144t2 + 108t - 27.Find:
a. How long does it take to hit the ground?
b. What is the velocity of the rock at the time of the impact?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff80fb93d-4cf2-44c2-9910-da888706ea67%2Fd321d070-f8f9-493d-bc91-85f09e9e75c9%2Fh5sg5gm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q4/ A rock is dropped from the top of the Eiffel Tower and reached the height of 30m above the
ground. The rock height at t sec. was S = 64t3 - 144t2 + 108t - 27.Find:
a. How long does it take to hit the ground?
b. What is the velocity of the rock at the time of the impact?
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