Question 3 (1 point) Two objects have equal negative charge and repel each other with a force Fwhen separated by a distance x. Suppose the object on the left gets 4x its original charge, the charge on the right is left alone, and the distance is between them is changed to The force between the two objects is now ---Use Columb's Law F=Kq1*92/r2 ​

Select all the correct answers.which two statements are true? a moving magnetic field creates an electric field.a constant magnetic field creates an electric field.a constant electric field creates a magnetic field.a moving electric field creates a magnetic field.resetnext

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

Blank is the perceived frequency of a sound wave