a) Two waves traveling on a string in the same direction both have a frequency of 219 Hz, a wavelength of 0.24 m, and an amplitude of 0.11 m. What is the amplitude of the resultant wave if the original waves differ in phase by p/4 rad? b)What is the phase difference between the two waves if the amplitude of the resultant wave is 0.17 m?

This was wrong. Can you solve this again with these numbers? What is the root mean square velocity, vrms, for Hydrogen molecules (H2) at 20oC? Hint: How many amu does an H2 molecule contain. 1 amu = 1.67 x 10-27 kg Boltzman's Constant, k = 1.38 x 10-23 J/K Give your answer in m/s to 4 significant figures (NO DECIMALS)

Select all that apply and give a brief explanation for why it is correct...

How do I solve this problem properly in a step by step solution?

I'm having trouble figuring out the formula to start with here.

Solve the following problem (NOTE: Use any reasonable DATA not given in the problem.)....

How do I solve this properly in a step by step solution?

Can you please clarify how to do these graphs? I think I've got the first two done, but then they start getting complicated, and I my scales are messed up. I have a program I can run to look at the answers, so getting the correct answer is not the problem, but can you tell me how to do them? And then I don't fully understand how to describe them either as I am instructed to do. Thank You!

I need help with these problems. I don't know how to approach them. I want see detailed steps.