A new sports car accelerates using rockets at 5m/s for 30 seconds from some traffic lights and then decelerate for 45 seconds to a stop.
SUVAT Part (A) Part (B) S=? S=?U=0 U= Calc From A (V)V=? V= 0T=30s t=45sPart A: V=U+atV=0+530V= 150S=ut+at2S=0+530*30S=4500mPart B: S=(U+V)t/2S=7545S=3375mTotal Distance = 3375+4500=7875
MW
