A wave has a speed of 65 m/s and a frequency of 13 Hz. what is the wavelength of this wave in meters

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

Argon, neon, and xenon are examples of

Ajoint produces movement when its angle decreases. which type of movement is it?