A rocket starts from rest with mass m0 and burns fuel at rate k. Find v(t) from mdtdv=ck−mg. (a) v(t)=θ−m/sec (b) If fuel is 80% of m0 and lasts 110 s, find v(110) with g=9.8m/s2 and c=2500m/s. Round to nearest whole number.
Find the cost difference between 1 tube of glue (2.39)and1rolloftape(1.99). Then, calculate the total for 2 packs of markers (4.50)and1packofconstructionpaper(3.79).