The period of a mechanical wave is 5 seconds. what is the frequency of the wave?

10 hz
2.5 hz
0.2 hz
depends on the speed of the wave

The answer is 0.2 Hz. Hope this helps you :)

unlike poles attract

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