What is the second lowest resonant frequency for a 0.7 m long organ pipe closed at one end? e) 515 hz d) 368 hz c) 405 hz b) 429 hz a) 322 hz

What are the applications of electromagnetic waves

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.

What would be the radius of the earth if it had its actual mass but had the density of nuclei? express your answer to two significant figures and include the appropriate units.