An isolated particle of mass m is moving in a horizontal plane (x, y) along the x–axis at…
Physics · JEE Advanced · NTA Exams — Laws of Motion
An isolated particle of mass m is moving in a horizontal plane (x, y) along the x–axis at a certain height above the ground. It suddenly explodes into two fragments of masses \(\frac{\mathrm{m}}{4} \text { and } \frac{3 \mathrm{~m}}{4}\). An instant later, the smaller fragment is at y = + 15 cm. The larger fragment at this instant is at :
- y = – 5 cm
- y = + 20 cm
- y = + 5 cm
- y = – 20 cm
Answer
(A) y = – 5 cm
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