3. A rock thrown vertically upward from the surface of the moon at a velocity of 8 m/sec reaches a height of s 8t 0.8t meters in t sec a. Find the rock's velocity and acceleration at time t b. How long does it take the rock to reach its highest point? c. How high does the rock go? d. How long does it take the rock to reach half its maximum height? e. How long is the rock aloft? a. Find the rock's velocity at time t. 8.0 1.6t m/s Find the rock's acceleration at time t m/s2 а 3 (Simplify your answer. Use integers or decimals for any numbers in the expression.) b. How long does it take the rock to reach its highest point? sec (Simplify your answer.) c. How high does the rock go? (Simplify your answer.) d. How long does it take the rock to reach half its maximum height? sec (Simplify your answer. Round to two decimal places as needed. Use a comma to separate answers as needed.) e. How long is the rock aloft? sec (Simplify your answer.)
3. A rock thrown vertically upward from the surface of the moon at a velocity of 8 m/sec reaches a height of s 8t 0.8t meters in t sec a. Find the rock's velocity and acceleration at time t b. How long does it take the rock to reach its highest point? c. How high does the rock go? d. How long does it take the rock to reach half its maximum height? e. How long is the rock aloft? a. Find the rock's velocity at time t. 8.0 1.6t m/s Find the rock's acceleration at time t m/s2 а 3 (Simplify your answer. Use integers or decimals for any numbers in the expression.) b. How long does it take the rock to reach its highest point? sec (Simplify your answer.) c. How high does the rock go? (Simplify your answer.) d. How long does it take the rock to reach half its maximum height? sec (Simplify your answer. Round to two decimal places as needed. Use a comma to separate answers as needed.) e. How long is the rock aloft? sec (Simplify your answer.)
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter47: Applications Of Formulas To Cutting Speed, Revolutions Per Minute, And Cutting Time
Section: Chapter Questions
Problem 41A: Compute the following problems. Express the answers to 1 decimal place. Use: T=LFN A slot 812.00...
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