Find R (1) If $\mathbf { r } ^ { \prime }$

question 51

Multiple Choice

Find r (1) if $\mathbf { r } ^ { \prime }$ (t) = $t ^ { 2 } \mathbf { i } + t ^ { 3 } \mathbf { j }$ and r (0) = i.

• A) \(\frac { 1 } { 3 } \mathbf { i } + \frac { 1 } { 4 } \mathbf { j }\)
• B) \(\frac { 4 } { 3 } \mathbf { i } + \frac { 1 } { 4 } \mathbf { j }\)
• C) \(\frac { 2 } { 3 } \mathbf { i } + \frac { 1 } { 4 } \mathbf { j }\)
• D) \(i + \frac { 1 } { 4 } j\)
• E) \(\frac { 1 } { 3 } \mathbf { i } + \frac { 3 } { 4 } \mathbf { j }\)
• F) \(\frac { 4 } { 3 } i + \frac { 3 } { 4 } j\)
• G) \(\frac { 2 } { 3 } \mathbf { i } + \frac { 3 } { 4 } \mathbf { j }\)
• H) \(i + \frac { 3 } { 4 } j\)

---

Definitions:

Proactive Interference

A phenomenon where old memories inhibit the ability to remember new information.

Older Information

Previous or existing knowledge, facts, or data that have been accumulated over time.

Newer Information

Refers to the most recent data, facts, intelligence, or knowledge that has been acquired or updated.

Retroactive Interference

A phenomenon where new memories impair the retrieval of older memories.