The A string on a cello vibrates in its first normal mode with a frequency of 220 Hz. The vibrating segment is 67.0 cm long and has a mass of 1.70 g. (a) Find the tension in the string.
N
(b) Determine the frequency of vibration when the string vibrates in three segments.
Hz

Nps pollution is caused by rainfall or snowmelt moving over and through the ground. nonpoint source pollution can include: excess fertilizers, herbicides and insecticides from agricultural lands and residential areas. oil, grease and toxic chemicals from urban runoff and energy production

Rain is pulled by gravity which is a non contact force