Question: 

In an engineering test, a rocket sled is propelled into a target. If the sled's distance d in meters from the target is given by the formula d = 1.5t2 + 120, where t is the number of seconds afer rocket ignition, then how many seconds have passed since rocket ignition when the sled is 10 meters from the target ?

2.58
9.31
8.56
8.95
Answer: 
8.56
Last Updated: 
29/04/2021 - 22:54