the speed of sound in air is about 340 m/s. what is the wavelength of sound waves produced by a guitar string vibrating at 500 hz

Which example has gravitational potential energy? a.a horse slowing down from a run b.an apple about to fall from a tree branch c.a bicycle being pedaled down a horizontal path d.beaker sitting on the floor

Which of these questions might a character ask if the conflict is man versus self? a. which path should i take to better myself? b. which boulder will be too heavy for me to carry? c. which friend is going to ditch me today? d. all of the above

If the new moon happens on january 15th, what shape will it be on february 6th?