Aresearcher wants to find out the values and opinions of a group of high school freshmen. what is the best method to use? take a survey. conduct a case study. design an experiment. prepare a longitudinal study.

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?

In a system with only a single force acting upon a body, what is the relationship between the change in kinetic energy and the work done by the force? answers: work is equal to the change in kinetic energy.work depends on the square of the change in potential energy.work is equal to the negative of the change in kinetic energy.work is equal to the square of the change in kinetic energy

Smallest intensity of a stimulus that you can detect 50 percent of the time is