What is the frequency of a sound wave that is traveling through water at

1400 m/s and has a wavelength of 7.0 m? *

f=

07.0 Hz

O700 Hz

О 200 Hz

ОО. 01 Hz

How do you know when electric current is flowing in a lightbulb circuit?

Given a force of 100 n and an acceleration of 10 m/s2 what is the mass

If 500 J of energy were added to 1 kg of each of these samples, which would experience the LEAST temperature increase? aluminum, Brass, Copper, Platinum

Científico que formuló 3 leyes de astronomía

2. A block of wood of volume 80 cm and density 0.5g/cm3 floats in water. What is the volume immersed in the water if d = 1 g/cm? 3 ... Pomilind ofdoneitsi water

In your own words, compare and contrast transverse and longitudinal waves. Be sure to include at least one similarity and one difference.

A student went to a hill station early in the morning, he could hear the echo of his clap after 0.1 second. When he went to the same place in the afternoon, he could not hear the echo at all, explain the reason for his changed behaviour.

Write 5 questions about how energy is used with answers (Ex-What does a toaster use to toast bread?" A: Mechanical - - > Thermal

It is desiredto FDM 30voice channels (each with a bandwidth of 4.5KHz) along with a guard band of 0.8KHz.

Solve each problem. Be sure to show your work and give a final answer with units rounded to the given number of significant figures. 1) Find the voltage on a circuit with a resistance of 12.5 Ω if it has a current of 2.35 A. 2) If a circuit with a 9.