The point of support of a simple pendulum of length  moves on a vertically poisoned massless rim of radius R rotating with
a constant angular speed

i believe the answer would be:

d. violin, clarinet, french horn, and tuba

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles