Talk:QB/b motionSimpleArithmetic

Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel? Needs to be replaced by:

Mr. Sming glances ahe this spedomerr and it reads that he is going at sevenmetersperscoend, then hes losw down to ffive metserperscuend but as soon as he reacehese this speed he hits a wall. This decelearation was uniform and took two seconds. How far did he travel from when he loked at the spedomir and when he ithis the wall.