The doppler effect is used by weather forecasters to measure

a. humidity
b. temperature
c. moving clouds
d. air pressure

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 is an aquifer for science class

Which of the following is another term for a planned economy