well i know to find the totals displacement you need to find the components of each vector so they were 3.83 and 3.21 for the first part and 2.6 and 1.5 for the second part
1. To determine how high a cliff is, a llama farmer drops a rock, and then 0.800 s later, throws another rock straight down at a velocity of −10.0 m/s. Both rocks land at the same time. How high is the cliff?
2. I know some kinematics equations must be used
3. I am stumped...