Solution 8.5a - Revision history

Ian at 15:02, 14 April 2010

2010-04-14T15:02:04Z

←Older revision		Revision as of 15:02, 14 April 2010
Line 12:		Line 12:
	Using <math>\mathbf{r}=\mathbf{u}t+\frac{1}{2}\mathbf{a}{{t}^{\ 2}}+{{\mathbf{r}}_{0}}</math> gives at time <math>t</math>,		Using <math>\mathbf{r}=\mathbf{u}t+\frac{1}{2}\mathbf{a}{{t}^{\ 2}}+{{\mathbf{r}}_{0}}</math> gives at time <math>t</math>,

-	<math>\mathbf{r}=80\mathbf{i}t+\frac{1}{2}(\mathbf{i}+4\mathbf{j}){{t}^{\ 2}}</math>	+	<math>\mathbf{r}=80\mathbf{i}t+\frac{1}{2}(\mathbf{i}+4\mathbf{j}){t}^{\ 2}</math>
		+
		+	<math>\mathbf{r}=(80t+\frac{1}{2}{t}^{\ 2}\ )\mathbf{i}+2{t}^{\ 2}\ \mathbf{j}</math>

Ian at 14:47, 14 April 2010

2010-04-14T14:47:33Z

←Older revision		Revision as of 14:47, 14 April 2010
Line 8:		Line 8:

	<math>\mathbf{v}=(80+t\ )\mathbf{i}+4t\ \mathbf{j}</math>		<math>\mathbf{v}=(80+t\ )\mathbf{i}+4t\ \mathbf{j}</math>
		+
		+
		+	Using <math>\mathbf{r}=\mathbf{u}t+\frac{1}{2}\mathbf{a}{{t}^{\ 2}}+{{\mathbf{r}}_{0}}</math> gives at time <math>t</math>,
		+
		+	<math>\mathbf{r}=80\mathbf{i}t+\frac{1}{2}(\mathbf{i}+4\mathbf{j}){{t}^{\ 2}}</math>

Ian: New page: We assume the origin is att the point of tacke off which means $\ \ \mathbf{ r}_{0}=0$ . Also we have $\mathbf{a}=\mathbf{i}+4\mathbf{j},\ \$ $\mathbf{u}=80\ma...$

2010-04-14T14:14:47Z

New page: We assume the origin is att the point of tacke off which means <math>\ \ \mathbf{ r}_{0}=0</math>. Also we have <math>\mathbf{a}=\mathbf{i}+4\mathbf{j},\ \</math> <math>\mathbf{u}=80\ma...

New page

We assume the origin is att the point of tacke off which means <math>\ \ \mathbf{ r}_{0}=0</math>.

Also we have <math>\mathbf{a}=\mathbf{i}+4\mathbf{j},\ \</math> <math>\mathbf{u}=80\mathbf{i}\ \</math>.

Using <math>\mathbf{v}=\mathbf{u}+\mathbf{a}t\ \</math> gives at time <math>t</math>,

<math>\mathbf{v}=80\mathbf{i}+(\mathbf{i}+4\mathbf{j})t\ \</math> or

<math>\mathbf{v}=(80+t\ )\mathbf{i}+4t\ \mathbf{j}</math>

Solution 8.5a - Revision history

Ian at 15:02, 14 April 2010

Ian at 14:47, 14 April 2010

Ian: New page: We assume the origin is att the point of tacke off which means \ \ \mathbf{ r}_{0}=0. Also we have \mathbf{a}=\mathbf{i}+4\mathbf{j},\ \ \mathbf{u}=80\ma...

Ian: New page: We assume the origin is att the point of tacke off which means $\ \ \mathbf{ r}_{0}=0$ . Also we have $\mathbf{a}=\mathbf{i}+4\mathbf{j},\ \$ $\mathbf{u}=80\ma...$