What two factors will most likely change the speed of a mechanical wave?
amplitude and wavelength
x frequency and amplitude
period and wavelength
period and amplitude
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C

Period and wavelength

Explanation:

Mechanical wave requires a medium for it propagation transfering energy through a medium. The waves can move over long distances but limited due to the movement of the medium of the material causing the oscillating material not move far. This depends on the period and the wavelength of the wave.

the displacement produced by the body.  

the amount of force subjected to the body.  

the angle between the direction of force and displacement

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