Answer:

Step-by-step explanation:
Given: A sound wave travels through iron at a rate of 
To find: rate at which the sound wave travel in 
Solution:
Use the following units conversions.


Now convert
into 
Therefore,

Answer:
4
Step-by-step explanation:
Answer:
∣∣3.45∣∣=3.45
Step-by-step explanation:
Hello :)
(A)If we want to find a, we can F/m=a
(B) F=m.a
F=10.a
F/10 = a
(C) = F=m.a
25=m.5
m= 25/5
m= 5
Have a nice day :)
Answer:
(2, 9)
Step-by-step explanation: