Which is true of a mechanical wave?

A) It must have a medium.

B) It must travel in empty space.

C) Both sound and light are examples.

D) It can travel in a vacuum.

A string (L = 0.76 m) was used to generate standing waves. If the number of antinodes generated in the string was 3, the determine the wavelength.

A passenger with a mass of 140,000 kg flies at a constant velocity of 220 m/s at an altitude of 11,000 meters. What net force acts on the plane?

Sunlight shines through a window. What happens to most of the light that strikes the window? Question 4 options: It is reflected. It is absorbed. It is refracted. It is scattered.

Use trigonometric ratios to solve for the variable in each figure below

The maximum theoretical flow rate (slug/s) through a supersonic nozzle is

First, right answer gets brainliest Which consumer uses the most water in the United States each year? A.) public water consumption B.) power generation C.) livestock D.) industry and mining

The length of a football field is closest to (1) 1000 cm (3) 1000 km (2) 1000 dm (4) 1000 mm

Using diagram differentiate between solenoid and a toroid

The product of voltage across a device and the charge passing through it is: field strength work force inductance

Como se relaciona aceleracao centripeta com o raio? como seria em grafico?