A physics student walks down a long hall carrying a vibrating 512-Hz tuning fork. The end of the hall is closed so that sound reflects from it. The student hears a sound of 514 Hz from the wall. How fast is the student walking

Identify the colloquial speech. yo! come over here! i have to tell ya somethin’. a. yo c. somethin’ b. ya d. all of the above

Need in all of themmm only answer if you know pls

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33