Which effect is created when two sound waves that are close in pitch

interact?

O A. Echoes

O B. Loudness

C. Beats

O D. Intensity

an oil drop of mass 2*10^14 kg carries a charge of 8*10^-18C. The drop is stationary between two parallel plates 20mm apart with a potential difference of V between them. Calculate V

the line on the position time graph show the velocites of different vehicles which line represents a vehicle moving at constant velocity

A two-slit pattern is viewed on a screen 1.26 m from the slits. If the two fourth-order maxima are 53.6 cm apart, what is the total width of the central bright fringe?

Lexy and Jin study the diagram shown. Lexy says that the diffraction angle is the one labeled R, and Jin says that the diffraction angle is the one labeled S.

Which type of curved mirror uses its inside as the reflecting surface? A. a convex mirror B. a plane mirror C. a virtual mirror D. a concave mirror

Use combustion by moving pistons which respond to a change in pressure

If q1 is 2μC, q2 is 5μC and r1 = 0.2m, then the force between the charges is

On a weather map places that have the same temperature are joined with lines called

Which of the following generally speed up a reaction? A. increasing the activation energy B. removing any catalysts C. adding more heat D. shaking the container holding the reaction

Cual es el peso de 5L de un fluido que tiene una densidad 3.5 veces mayor que la del agua?