ChuLbuLi

A Particle moving with uniform acceleration is found to travel 35m in the 8th second and 51m in the 9th second. its velocity in m/sec at the beginning of 11 seconds is a> 49 b> 45 c> 47 d> 51

PV=nrT V= nrT/ P n = 5.25/14 (mass of nitrogen) = 0.375 R = 0.0821 T = 27+273 = 299 P = 74.2 cm x 10 = 742mm of pressure V=nRT/P ANS=> 0.012 dm3