- 1(current)
Q. No.The position of a particle is given by;
\(\overrightarrow{r}=(3.0t\hat{i}-2.0t^{2}\hat{j}+4.0\hat{k})\) m
where \(t\) is in seconds and the coefficients have the proper units for \(r\) to be in meters. The magnitude and direction of \(\overrightarrow{v}(t)\) at \(t=1.0\) s are:
| 1. | \(4\) m/s \(53^\circ\) with \(x\)-axis |
| 2. | \(4\) m/s \(37^\circ\) with \(x\)-axis |
| 3. | \(5\) m/s \(53^\circ\) with \(y\)-axis |
| 4. | \(5\) m/s \(53^\circ\) with \(x\)-axis |
Subtopic: Â Speed & Velocity |
 67%
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Q. No.
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