A tuning fork produces a sound with a fre- quency of 244 Hz and a wavelength in air of 1.39 m. What value does this give for the speed of sound in air?
Answer in units of m/s.

the answer is d. 4

hope this

also the more points you give the faster your questions get answered

a small object of mass 3.66 g and charge -17.6 µc is suspended motionless above the ground when immersed in a uniform electric field perpendicular to the ground. what are the magnitude and direction of the electric field?

the total distance that martina travels that day is

(distance from home to mom's office) plus (distance from mom's office to school)

plus (distance from school to library) plus (distance from library to friend's house)

plus (distance from friend's house to martina's house).

(we don't know what any of these distance actually is.)