A sound wave generated by a musical note has the characteristics presented in the table. What is the missing value?
Medium
Wave speed
(m/s)
346
Frequency
(Hz)
Wavelength
(m)
Air
55
?
Glass
5,640
55
102
Aluminum
6,420
55
117
A. 5.4
B. 4.7
C. 6.3
O
D. 7.5

Asap time is ! best answer gets compose at least one well-developed paragraph on the following: define the term concurrent powers, and give an example of a concurrent power of government.

How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.