How do you determine how fast an object is moving from a position vs time graph

Use the table to answer question 22 23 and 24.

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.