4. A free body diagram of a brick on an inclined plane is shown below. What is the mechanical advantage of the inclined plane?

Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions

The horizontal blue line through the middle of the lens is called the optical axis. as the lamp is moved above or below the axis, keeping the horizontal distance to the center of the lens constant, how does the horizontal distance from the lens to the image change?

Five renewable energy resources are wind, sunlight, moving water and geothermal energy. question 2 options: true false