Radar use reflected microwaves to detect objects and measure their ... what?

A. Distance and speed

B. weight and volume

C. Wavelengths and frequency

D. Height and depth

How is the milky way galaxy different from our solar system?

A thin slice of silicon that contains many solid-state components is a (an) •transistor •integrated circuit •diode •cathode-ray tube

For the hypothetical reaction A → B, calculate the average rate of disappearance of A if the initial concentration of A is 0.91 M and the concentration of A after 90 minutes is 0.11 M.

Which is an example of Earth's conditions slowly changing? a. meteors striking c. continents moving b. volcanoes erupting d. a mass extinction

A circuit is constructed with six resistors and two batteries as shown. the battery voltages are v1 = 18 v and v2 = 12 v.

How does a bicycle rider's energy of motion changes as the gain speed while riding down a hill? Options: A) It is lost. B) It increases. C) It remains the same. D) It is stored in the bicycle rider.

When is a sailboat the stand on vessel in relations to a recreational power boat?

What happens when a balloon is rubbed with a woollen cloth?

A child causes a wagon to accelerate by pulling it with a horizontal force. newton's third law says that the wagon exerts an equal and opposite force on the child. how can the wagon accelerate? (hint: draw a free-body diagram for each object.)

Which wavelengths of light is the highest in energy?