a 30 kg shell splits into 3 equal parts.after spliting they've follow velocities:3 i + 2 j ;-2 i ;5 i +5 j :Q.if whole of energy relesed in exploasion is convert into kinitic energy of 3 parts then how much energy has been relesed?a. 260 Jb. 290 Jc. 335 Jd. 410 J
Vbhootna Vb , 12 Years ago
Grade 11
1 Answers
G Narayana Raju
Last Activity: 12 Years ago
the velocities of the particals are root(13);2;root(50)
so use the energy formula as all the energy is conserved for the kinetic energy
E= 1/2(10)(13) + 1/2(10)(4) +1/2(10)(50)
E= 335J
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