A train traveled 110 km from south bend IN to Chicago, IL in 45 minutes. The train must continue from Chicago to Milwaukee, WI, a distance of another 150 km. In what time must it travel from Chicago to Milwaukee in order to have the same average speed as the first part of the trip?

How well does the extrapolated value (the slope of the trend line) agree with the accepted value of free-fall acceleration (g = 9.8 m/s2)?

Explain vector addition, triangle method and parallelogram method

Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.