Dylan is standing on the end of a pier. He measures the water waves moving past him. The wavelength of one wave is 1.2m and has a time period of 100ms. Calculate the speed of the waves.

The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e

What are the necessary conditions for fusion?

What is a view of science and psychology that says the value of knowledge depends on its usefulness? a. pragmatism b. psychotherapy c. physiology