A worker can produce at the rate of n= 15 + 9t2 – t3 products units per hour where t = no. of hours from start of work. If he starts working at 4:00 AM, at what time in the morning will he attain maximum productivity?
A worker can produce at the rate of n= 15 + 9t2 – t3 products units per hour where t = no. of hours from start of work. If he starts working at 4:00 AM, at what time in the morning will he attain maximum productivity?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
1. A worker can produce at the rate of n= 15 + 9t2 – t3 products units per hour where t = no. of hours from start of work. If he starts working at 4:00 AM, at what time in the morning will he attain maximum productivity?
2. To maximize the horizontal range of the projectile, which of the following applies?
Group of answer choices
- maximize the angle of elevation
- maximize the velocity
- maximize the angle of elevation and velocity
- tangent function of the angle of trajectory must be equal to 1
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