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

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2