A particle moves according to the law x = a cos t 2 . The distance covered by it in the…
Physics · JEE Advanced · NTA Exams — Oscillations and Waves
A particle moves according to the law x = a cos \(\frac{\pi t}{2}\). The distance covered by it in the time interval between t = 0 to t = 3 s is
- 2a
- 3a
- 4a
- 5a
Answer
(B) 3a
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