Question

An object with a mass of 1.08 kg moves from its initial position ( vec{r}_{1}=(-1.06 hat{i})+(-1.34 hat{j})+(-3.23 hat{k}) ) to its final position ( vec{r}_{2}=(-2.61 hat{i})+(-0.2 hat{j})+(-1.73 hat{k}) ), given in meters, within 1.32 s. The displacement takes place along the line connecting the initial position ( vec{r}_{1} ) to the final position ( vec{r}_{2} ). One of the forces acting on the object during the displacement process is ( vec{F}=(5.29 hat{i})+(2.19 hat{j})+(3.15 hat{k}) ) given in Newton. What is the average power in units of W that this force exerts on the object during this time? Answer:

          An object with a mass of 1.08 kg moves from its initial position
( vec{r}_{1}=(-1.06 hat{i})+(-1.34 hat{j})+(-3.23 hat{k}) ) to its final position
( vec{r}_{2}=(-2.61 hat{i})+(-0.2 hat{j})+(-1.73 hat{k}) ), given in meters, within 1.32 s. The displacement
takes place along the line connecting the initial position ( vec{r}_{1} ) to the final position ( vec{r}_{2} ). One of
the forces acting on the object during the displacement process is
( vec{F}=(5.29 hat{i})+(2.19 hat{j})+(3.15 hat{k}) ) given in Newton.
What is the average power in units of W that this force exerts on the object during this time?
Answer:

An object with a mass of 1.08 kg moves from its initial position
( vecr1=(-1.06 hati)+(-1.34 hatj)+(-3.23 hatk) ) to its final position
( vecr2=(-2.61 hati)+(-0.2 hatj)+(-1.73 hatk) ), given in meters, within 1.32 s. The displacement
takes place along the line connecting the initial position ( vecr1 ) to the final position ( vecr2 ). One of
the forces acting on the object during the displacement process is
( vecF=(5.29 hati)+(2.19 hatj)+(3.15 hatk) ) given in Newton.
What is the average power in units of W that this force exerts on the object during this time?
Answer:

Added by Elif C.

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