Colliding Projectiles - Think it over - Resonance

	journal of science education
Advanced Search About Resonance Editorial Board Guidelines Subscribe Current Issue February 2003 (Contents) Back Issues	Think it Over This section of Resonance presents thought-provoking questions, and discusses answers a few months later. Readers are invited to send new questions, solutions to old ones and comments, to ‘Think It Over’, Resonance, Indian Academy of Sciences, Bangalore 560 080. Items illustrating ideas and concepts will generally be chosen Colliding Projectiles S N Maitra A particle 1 is projected from a point of position vector r0 with velocity u0. After a lapse of time T, another projectile, say, particle 2 is projected from a point of position vector with velocity v0 to pursue the former projectile. Find the condition required to be fulfilled for a collision between the two projectiles. Also, find where and when they will collide. Neglect the air-resistance. Address for Correspondance S N Maitra Mathematics Department National Defence Academy Khadakwasla Pune 411 023, India.

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