Verified Solution • 2025–26 Session moderate

QAIPM-2012-Ph-1757: NEET 2012 Physics - Class 11 AIPM-2012-Ph-1757 Solution: A particle has initial velocity \((2 {i}+3 {j})\) and…

A particle has initial velocity (2i^+3j^)(2\hat{i}+3\hat{j}) and acceleration (0.3i^+0.2j^)(0.3\hat{i}+0.2\hat{j}). The magnitude of velocity after 10 seconds will be

Multiple Choice Options

  • A 929\sqrt{2}
  • B 525\sqrt{2}
  • C 5 units
  • D 9 units

Step-by-Step Verified Solution

P _ = vector sum = A _ + B _ Q _ = Vector differences = A _ _ B _ Since P _ and Q _ are perpendicular _ P _ . Q _ = 0 _ ( A _ + B _ ) . ( A _ _ B _ ) = 0 _ A 2 = B 2 = | A _ | = | B _ |

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