At which point on this electric field will a test charge show the maximum strength

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)