What element is used for lightbulb

Tell whether the following statements are true or false: 1.) Humans see different colors because our eyes are responding to light that has different wavelengths. 2.

Which of the following best defines volume? the amount of matter in a substance the shape of a sample of matter the amount of space that a sample of matter takes up the way that a substances atoms are arranged Wood is considered a good insulator

If you die in a dream would you die in real life? Just a question i keep asking my self

What is the momentum if the mass is 1.5 kg and the velocity is 4 m/s

When tuning a guitar, a musician plays two strings at once. These sound waves overlap and often appear to get louder and softer if the strings are not in tune. This interaction of overlapping waves is called

11) Shifting with ease from one type of problem-solving strategy to another is called a) flexibility b) versatility c) originality d) openmindedness

A truck undergoes a constant acceleration of 2.0 meters/second2 on a highway that slopes upward at an angle of 30.0° to the horizontal. What is the magnitude of the horizontal component of the acceleration?

Why is there so much more carbon dioxide in the atmosphere of Venus than in that of Earth? Why so much more carbon dioxide than on Mars?

People have proposed driving motors with the earth's magnetic field. This is possible in principle, but the small field means that unrealistically large currents are needed to produce noticeable torques.

A hot air ballon with a mass of 500kg ascends at a constant rate of 1.5 m/s for 20s. how much work is done by the upward force?