Answer:
f = 25 lbs
m = 5 lbs
a =?
f = ma
25 = 5 a( divide both sides by 5)
a = 5(lbs)
The answer is D. Sound insulators prevent sound from being transmitted better than elastic solids because sound insulators basically muffle and block the sound waves.
Check the attached file for the solution for this problem.
A table would be the most appropriate because that way you can compare the data.
120 km/3 hours. 40/1=?/3 1x3=3 hours so 40x3=120 km
