A harmonic wave travels in a wire with amplitude 3. 66 mm, wavelength 2. 17 m, and

frequency 615 Hz.

What is the speed with which the wave

travels?

Answer in units of m/s.

Asystem containing an ideal gas at a constant pressure of 1.22×10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?

If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.

What is a possible result of higher air temperature caused by global warming