JEE Main 2026 Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main 2026

The position of an object having mass 0.1 kg as a function of time t is given as m. At t = 1 s, which of the following statements are correct? A. The linear momentum kg·m/s. B. The force acting on the object N. C. The angular momentum of the object about its origin J·s. D. The torque acting on the object about its origin N·m. Choose the correct answer from the options given below:

Answer: (D)

Solution

v = (20t, 15t²) = (20, 15) and a = (20, 30t) = (20, 30) at t = 1. p = 0.1v = (2, 1.5) and F = 0.1a = (2, 3): A and B

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Question ID VK-015213