2. Jenny picks up a guitar and strums. If the sound from the string emanates out at 440 Hz, what is the wavelength of that sound wave?

What happens to the light rays when they hit the specimen?

Blank liquids and gases exert a buoyant force on objects placed in them

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.