Material 1 has young's modulus y1 and density rho1, and material 2 has young's modulus y2 and density rho2. If y1 is 30% more than y2 and rho1 is 30% less than rho2, which material has the higher speed of sound and how much higher is it?.

Of four agents alpha, beta, gamma anddelta, three have to be sent together on amission. if alpha and beta cannot gotogether, beta and gamma cannot go togetherand gamma and delta cannot go together,then which of the following holds? 1. any three agents can be sent.2. alpha, delta and any one out of beta andv gamma can be sent.3. beta, gamma and any one out of alphaand delta can be sent.4. the mission is impossible.

You can reduce glare in snowy weatuer by?

Auser wants to add a thick, dark green border around a chart in powerpoint. the user can do this in chart tools by choosing what