What is the distance a bike travels at 38 km/he for 4.5 seconds?

Asystematic approach to problem solving is called a (an)

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?

Sound is a disturbance that travels through a medium as a