JEE Mains · Physics · STD 11 - 2. motion in straight line
A particle is moving in a straight line such that its velocity is increasing at \(5\,ms ^{-1}\) per meter. The acceleration of the particle is \(ms ^{-2}\) at a point where its velocity is \(20\,ms ^{-1}\).
- A \(100\)
- B \(101\)
- C \(99\)
- D \(103\)
Answer & Solution
Correct Answer
(A) \(100\)
Step-by-step Solution
Detailed explanation
\(\frac{d v}{d s}=5\) \(a=v \frac{d v}{d s}=20 \times 5=100\,m / sec ^{2}\)
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