I answered the question but it got deleted?? why?
I would think that you would have to do 42/2=21Hz, but I'm not sure...
Answer:
17.71N/m
Explanation:
The period of the spring is expressed according to the expression;

m is the mass of the object
k is the force constant
Given
m = 5.50kg
T = 3.50s
Substitute into the formula;

Hence the force constant of the spring is 17.71N/m
When YOU speak, YOUR vocal cords vibrate, sending sound waves through the air and causing MY ear drums to vibrate.
When I speak, MY vocal cords vibrate, sending sound waves through the air an causing YOUR ear drums to vibrate.
Answer:
100Ns
Explanation:
find velocity and then plug into momentum formula momentum=(velocity)(mass)