A piano string having a mass per unit length equal to 5.20 10-3 kg/m is under a tension of 1 500 N. Find the speed with which a wave travels on this string.

When someone slams her books on a table the kinect energy is transferred into vibrations that travel to your ears as sound waves which statement describes the movement of those waves

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine

Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?