The red light emitted by a he-ne laser has a wavelength of 633 nm in air and travels at 3.00 108 m/s. find the frequency of the laser light. answer in units of hz.

What are four earth spheres that contain water and identify one way that water is stored in each

Which aspect of health is best illustrated by the following example? I work well in a group and respect my other classmates. O social O physical O emotional

The chart shows data for a moving object Which conclusion is best supported by the information in the chart? Time (s) Velocity (m/s) 2.

How is tempature related to kinetic energy

A model of a helicopter rotor has four blades, each of length 3.30 m from the central shaft to the blade tip. The model is rotated in a wind tunnel at a rotational speed of 590 rev/min. a. What is the linear speed of the blade tip? b.

Most metallic ores are produced by which two of processes? a) Metamorphic and Sedimentary b) Igneous and Metamorphic c) Igneous and Sedimentary d) Cementation and Compaction

Two persons are applying forces on two opposite sides of a moving cart. The cart still moves with the same speed in the same direction. What do you infer about the magnitudes and direction of the forces applied?

SI unit of mass and gravity

What is the difference between porosity and permeability

In the diagram below, the planets' relative distances from the Sun are shown. The sizes of the planets are not drawn to scale.