The unit for measuring electric power is the

A wave has a frequency of 100 Hz and a wave speed of 4.0 m/s. What is the wavelength? A. 25 m B. 0.40 m C. 0.04 m D. 400 m

Are cell phones scientific

When two or more waves are at the same place at the same time, which phenomena occurs

How does an iron nail become a rusty nail

It is useful to think of a photon as a packet of

A 30-g bullet is fired with a horizontal velocity of 450 m/s and becomes embedded in block B, which has a mass of 3 kg. After the impact, block B slides on 30-kg carrier C until it impacts the end of the carrier.

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.