A car is driving 20.7 m/s when the passenger throws a ball from the window at 3.7 m/s in the same direction as the motion of the car. Ignoring air resistance, what is the speed of the ball (in m/s)? (Assume both given values are to the nearest 10th).

Two models of the same compound are shown. in what way is model b better than model a? model b shows the types of elements in the compound, but model a does not. model b shows the three-dimensional shape of the molecule, but model a does not. model b shows how the atoms in the molecule are connected, but model a does not. model b shows the number of atoms of each element in the molecule, but model a does not