The position vector of a particle is r(t). Find the requested vector. The velocity at t = for r(t) = 5sec?(t)i - 5tan(t)j + 7t?k = 20i - 10j + nk 0 号 - -10j nk = 10j +nk 201 + 10j nk

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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The position vector of a particle is r(t). Find the requested vector.
* for r(t) = 5sec?(t)i - 5tan(t)j + 7t°k
4
元
The velocity at t =
7.
= 20i - 10j +nk
4.
7.
-10j
- nk
10j + nk
7.
2.
20i + 10j
- Tk
Transcribed Image Text:The position vector of a particle is r(t). Find the requested vector. * for r(t) = 5sec?(t)i - 5tan(t)j + 7t°k 4 元 The velocity at t = 7. = 20i - 10j +nk 4. 7. -10j - nk 10j + nk 7. 2. 20i + 10j - Tk
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