What is the lowest level of waves on the electromagnetic energy spectrum?

A circular radar antenna on a Coast Guard ship has a diameter of 2.10 m and radiates at a frequency of 11.0 GHz. Two small boats are located 8.00 km away from the ship. How close together could the boats be and still be detected as two objects

When bonds between atoms are broken or formed, what is the outcome? A. a physical change B. an element increasing in size C. a chemical change D. a change of state

Complete the following sentence: The operation of a hydraulic jack is an application of a) Archimedesâ principle. b) Bernoulli's principle. c) Pascal's principle. d) the continuity equation. e) irrotational flow.

Which of the following elements would not be considered a nonmetal

A rifle fires a 2.10 x 10^-2 kg pellet straight upward, because the pellet rests on a compressed spring when the trigger is is pulled. the spring has negligible mass and it is compressed by 9.10 x 10^-2 m from is unstrained length.

All light waves move through a vacuum with a constant speed. True or False

A simple pendulum has a period of 1.0 s. If you take this pendulum to Mars where the acceleration of gravity is 3.8 m/s2, what will the period of the pendulum be

If f (x) = 27+1, what is f/x) when x = 3? 1

Approximately how much of Earth's water is freshwater? 1 % 3 % 97 % 50 %

How radio wave carry information?