What would you do to determine the volume of a metre rule in order to obtain its density​

What are similarities and differences between refraction, reflection, diffraction and absorption?

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.