A body of mass 5 kg under the action of constant force \[\vec{F}={{F}_{x}}\hat{i}+{{F}_{y}}\hat{j}\] has velocity at \[t=0\text{ }s\] as \[\vec{v}=(6\hat{i}-2\hat{j})m/s\]and at \[t=\text{1}0\text{ }s\]gas\[\vec{v}=6\hat{j}\text{ m/s}\]. The force F is:

\[\left( -\frac{3}{5}\hat{i}+\frac{4}{5}\hat{j} \right)\text{ N}\]

\[\left( -3\hat{i}+4\hat{j} \right)\text{ N}\]

\[\left( 3\hat{i}-4\hat{j} \right)\text{ N}\]

\[\left( \frac{3}{5}\hat{i}-\frac{4}{5}\hat{j} \right)\text{ N}\]

A body of mass 5 kg under the action of constant force \[\vec{F}={{F}_

1.	A body of mass 5 kg under the action of constant force \[\vec{F}={{F}_{x}}\hat{i}+{{F}_{y}}\hat{j}\] has velocity at \[t=0\text{ }s\] as \[\vec{v}=(6\hat{i}-2\hat{j})m/s\]and at \[t=\text{1}0\text{ }s\]gas\[\vec{v}=6\hat{j}\text{ m/s}\]. The force F is:
A.	\[\left( -3\hat{i}+4\hat{j} \right)\text{ N}\]
B.	\[\left( -\frac{3}{5}\hat{i}+\frac{4}{5}\hat{j} \right)\text{ N}\]
C.	\[\left( 3\hat{i}-4\hat{j} \right)\text{ N}\]
D.	\[\left( \frac{3}{5}\hat{i}-\frac{4}{5}\hat{j} \right)\text{ N}\]
Answer» B. \[\left( -\frac{3}{5}\hat{i}+\frac{4}{5}\hat{j} \right)\text{ N}\]