Average velocity and speed with direction changes: word problems TATUS
As shown in the figure below, Louisa rushes 40 m toward her truck. She notices she forgot her bag and returns
back to the house. Her total travel time is 120 s.
40 m
40 m
What is Louisa's average velocity over the 120 s period?
S
Do 4 problems
Chec

1. when conducting a test on what kind of music increases the growth of plants, all of the following would fail to meet to fair test standard except (1 point) using different kinds of plants. giving some plants more water than others. exposing the plants to different types of music. using nutrient-rich soil for one and lesser soil for others. 2. engineering uses scientific thinking to solve real-world problems. (1 point) true false 3. what does it mean to test a hypothesis? (1 point) pass a quiz on other scientists’ results analyze only the results from scientific sources not make assumptions about how an experiment will turn out see if the results of an experiment are what the scientist predicted