Can a moderator delete this question? This was reposted as one of my other questions. (I edited it so it looks like this now.)

Part a constants huck finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion what is huck's velocity (speed and direction) relative to the river bank? express your answer to three significant figures and include the appropriate units. relative to the shore)

A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped

Use vsepr theory to predict the molecular geometry of the molecule hcn.