If a wave has a speed of 12 m/s and a frequency of 4hz what is its wavelength

How does sound travel through a medium? A: Particles vibrate parallel to the direction the sound travels B: Particles movie in a circular motion C: Sound does not move through a medium D: Particles vibrate perpendicular to the direction the sound

What lead does to X rays?

The nonreflective coating on a camera lens with an index of refraction of 1.29 is designed to minimize the reflection of 634-nm light. If the lens glass has an index of refraction of 1.

The distance between the 1st and 2nd maxima is 0.3 cm when the screen is located 2 m away. If d = 0.4 mm, a) what is the wavelength? b) what is the size of central peak?

For each of the following news stories, determine whether the objects speed or velocity is given: the world record for the hundred-meters dash is about 10m/s; the wind today is 30 km/h from the north-west;

Which of the following is a simple sugar? lactase lactose sucrose glucose

Which best describes the current atomic theory? A since it is only a theory it shouldn't be used in practice B it has not been tested enough to be useful for developing technology C it is the most powerful explanation scientist have to offer at this

What are the factors affecting elasticity?

The name of the group of science that deals with earth and its neighbors in space is called

James took two pea plants, placing one in a dark closet and the other on a sunny windowsill. Both are located in air-conditioned rooms. He then measured the growth of the pea plants after a week.