What is the wavelength of a sound wave if the air is 20 degrees Celsius, and the frequency is 100 Hz? Question 9 options:

41.16 m

3.52 m

None of these.

3.43 m

2000 m

the answer is 3.1 his answer is wrong mines is right

ya te mando la respuesta

answer///isobars;

the answer is the first electromagnet (a). this is because it has more coils around the ferromagnetic material. increasing the number of coils increases the surface area in which the metal interacts with the current in the coil. this enables more atoms in the metal to become aligned hence becoming more magnetized.