Question

1. A fly starts at \( \overrightarrow{r_{o}}=(2.00 \mathrm{~m}) \hat{\imath}+(3.00 \mathrm{~m}) \hat{\jmath}+(4.00 \mathrm{~m}) \hat{k} \) and moves according to \[ \vec{v}(t)=\left[\left(1.85 \frac{\mathrm{m}}{\mathrm{s}}\right)+\left(1.15 \frac{\mathrm{m}}{\mathrm{s}^{2}}\right) t\right] \hat{\imath}-\left(2.10 \frac{\mathrm{m}}{\mathrm{s}}\right) \hat{\jmath}+\left[\left(4.80 \frac{\mathrm{m}}{\mathrm{s}}\right)-\left(0.815 \frac{\mathrm{m}}{\mathrm{s}^{3}}\right) t^{2}\right] \hat{k} \] a. What are the position, velocity, and acceleration of the fly at \( t=2.50 \mathrm{~s} \) ? b. What is the average velocity of the fly for the first \( 2.50 s \) ? c. What is the average acceleration of the fly from \( t=1.50 \mathrm{~s} \) to \( t=3.50 \mathrm{~s} \) ?

          1. A fly starts at \( \overrightarrow{r_{o}}=(2.00 \mathrm{~m}) \hat{\imath}+(3.00 \mathrm{~m}) \hat{\jmath}+(4.00 \mathrm{~m}) \hat{k} \) and moves according to
\[
\vec{v}(t)=\left[\left(1.85 \frac{\mathrm{m}}{\mathrm{s}}\right)+\left(1.15 \frac{\mathrm{m}}{\mathrm{s}^{2}}\right) t\right] \hat{\imath}-\left(2.10 \frac{\mathrm{m}}{\mathrm{s}}\right) \hat{\jmath}+\left[\left(4.80 \frac{\mathrm{m}}{\mathrm{s}}\right)-\left(0.815 \frac{\mathrm{m}}{\mathrm{s}^{3}}\right) t^{2}\right] \hat{k}
\]
a. What are the position, velocity, and acceleration of the fly at \( t=2.50 \mathrm{~s} \) ?
b. What is the average velocity of the fly for the first \( 2.50 s \) ?
c. What is the average acceleration of the fly from \( t=1.50 \mathrm{~s} \) to \( t=3.50 \mathrm{~s} \) ?

1. A fly starts at ro=(2.00 m) +(3.00 m) +(4.00 m) k̂ and moves according to

v⃗(t)=[(1.85 (m)/(s))+(1.15 (m)/(s^2)) t] -(2.10 (m)/(s)) +[(4.80 (m)/(s))-(0.815 (m)/(s^3)) t^2] k̂

a. What are the position, velocity, and acceleration of the fly at t=2.50 s ?
b. What is the average velocity of the fly for the first 2.50 s ?
c. What is the average acceleration of the fly from t=1.50 s to t=3.50 s ?

Added by Craig B.

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