NVAMediumJEE Main 2025 · 3 April, Shift 1Newton's Law of Gravitation

Physics Question from JEE Main 2025 · 3 April, Shift 1

Three identical spheres of mass mm, are placed at the vertices of an equilateral triangle of length aa. When released, they interact only through gravitational force and collide after a time T=4sT = 4 \, \text{s}. If the sides of the triangle are increased to length 2a2a and also the masses of the spheres are made 2m2m, then they will collide after _____ seconds.

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