The initial position of an object at rest is given by $3 \hat{i}-8 \hat{j}$ It moves with constant acceleration and reaches to the position $2 \hat{i}+4 \hat{j}$ after $4 \,s$. What is its acceleration?
The initial position of an object at rest is given by $3 \hat{i}-8 \hat{j}$ It moves with constant acceleration and reaches to the position $2 \hat{i}+4 \hat{j}$ after $4 \,s$. What is its acceleration?
- A
$-\frac{1}{8} \hat{i}+\frac{3}{2} \hat{j}$
- B
$2 \hat{i}-\frac{1}{8} \hat{j}$
- C
$-\frac{1}{2} \hat{i}+8 \hat{j}$
- D
$8 \hat{i}-\frac{3}{2} \hat{j}$
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