What is the wavelength of an ekectromagnetic wave that has a frequency of 40,000 hz? the speed of light is 3x10^8 m/s?

1. Multibeam sonar is used to: a. create a high resolution map of the seafloor b. identify the texture of the atmosphere c. create a high resolution map of the sea surface d. identify the texture of the sea surface e. none of the above

What planet has the most visible rings

In what way would a digital thermometer be preferable to those from a liquid-based thermometer? Digital thermometer readings are easier to use when performing calculations.

What the sum of x and it's square is equal to y times z.

If element ex has 52 protons how many electrons does it have

Which factors affect the gravitational force between two objects? distance and velocity mass and distance mass and weight acceleration and weight 802

What do astronomers mean by light pollution?

Is an unopened bottle of soda a saturated solution?

Light in air enter crown glass (n = 1.52) at an angle of 35 degrees. What is the refracted angle?

If a star's parallax angle is too small to measure, what can you conclude about the star's distance from the Earth?