WBJEE · Maths · Application of Derivatives
The distance covered by a particle in \(t\) seconds is given by \(x=3+8 t-4 t^2\). After 1 second velocity will be
- A 0 unit/second
- B 3 units/second
- C 4 units/second
- D 7 units/second
Answer & Solution
Correct Answer
(A) 0 unit/second
Step-by-step Solution
Detailed explanation
\[ \begin{array}{r} \text { Hints : } v=\frac{d x}{d t}=8-8 t \\ t=1, v=8-8=0 \end{array} \]
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