Please help with c
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter12: Multiplication Of Decimal Fractions
Section: Chapter Questions
Problem 5A: Determine the length of B.
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Please help with c
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Step 1 (Solution for part A)
First we will calculate (t) i.e x'(t)=2t-4 (Calculating the derivative)
y'(t)==tet-3 - 1 ( Already given in the question)
Now, speed =
We calculated x'(t)
In the question we have to find for t=3 seconds ,so replacing t by 3,we get
speed (at t = 3 seconds) = =
Step 2 (Solution for part b)
Now x'(t) =2t-4 (Calculated in part a)
So distance would be equal to dt = =11.587 metres
Reason behind using upper limit 4 and lower limit 0 is that we have to calculate between t=0 and t=4 (As mentioned in the question)
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