Psychology homework help
Psychology homework help. Hi there, how do I go about doing this question? Any help is greatly appreciated, thank you so much!Suppose a rock dropped into a pond creating a circular ripple travelling at a speed of80 cm/s In an outward direction.()a) Let r be the radius of the circle. Express r as a function of time, t, in seconds.bj If A is the area of this circle as a function of the radius, find Mer and interpret it.