Because the silt (dirt particles) in muddy water eventually settles out, the muddy water is a . question 30 options: solution compound homogeneous mixture suspension colloid

Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?