Which does not contain a lens?

eyeglasses

mirror

microscope

a floodlight

25. Kurt drinks frozen fruit juice from a small cup. He measures the amount of fruit juice in the cup. Which property is Kurt measuring? A. density B. height C. temperature D. volume

What are three objects that are magnetic?

Satelite communication is only possible using A) analog transmission. B) digital transmission. C) sound waves to transmit signal. D) cellular devices such as phones.

In convection currents, the heat rises and colder material sinks

What distance was an object moved by a force of 40 N if the work was 600 joules

How can eclipsing binary stars be identified? They are brighter than any single stars. They are cool red stars. They are all white dwarfs. They become dimmer at regular intervals.

Resistance or opposite to a force refers to a

In tae-kwon-do, a hand is slammed down onto a target at a speed of 10.5 m/s and comes to a stop during the 2.13 ms collision. Assume that during the impact the hand is independent of the arm and has a mass of 0.400 kg.

If you looked at the frequently spectrums of two friends saying the word dog, would they look the same or different ?

Which of the following atoms has the smallest radius? The Periodic Table