Lions can run at speeds up to approximately 80.0 km/h. A hungry 145-kg lion running northward at top speed attacks and holds onto a 24.0-kg Thomson's gazelle running eastward at 60.0 km/h. 1) Find the speed of the lion-gazelle system just after the lion attacks. (Express your answer to three significant figures.)

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