11. a 6.0‐m wire with a mass of 50 g, is under tension. a transverse wave, for which the frequency is 810 hz, the wavelength is 0.40 m, and the amplitude is 4.0 mm, is propagating on the wire. the time for a crest of this wave to travel the length of the wire is closest to a) 19 ms b) 16 ms c) 21 ms d) 23 ms e) 25 ms

In what direction does an applied force move an object

Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates

Matter that emits no light at any wavelength is called