An object of mass 5 kilograms is acted upon by the forces f1 and f2 as shown. the force f1 is 35 newtons and angle θ = –55°. find the magnitude of f2 needed to keep the object in equilibrium.

Should we celebrate the voyages of zheng he mini q answer key

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

What is the largest meteoroid that has collided with this planet