AP psychology How did Ernst weber contribute to psychology? I found that he did the Two point threshold and the just noticeable difference but how is it connected to psychology?

its He applied the reflection to the pre-image first.

and He used an incorrect angle of rotation around point P.

or a and e

Explanation:

Hope this helps (:

go to settings and press notifications find the brain oh app and turn the switch so it would turn greyish silver color

ek = (m·v2) / 2

v - velocity of system after the collision

m = m1 + m2

ek = (m1 + m2) ·v2/2

ek = (200 + 250) ·2,32/2 = 450·5,29/2 = 1190,25 j