Which president was the first of the so-called forgotten presidents of the gilded age

Rutherford B. Hayes

"The Forgotten Presidents". During the Gilded Age era, Rutherford B. Hayes, James A. Garfield, Chester A. Arthur, Grover Cleveland, and Benjamin Harrison were considered "the forgotten presidents" since they didn't have a major impact on the history of the United States.

Brainliest please?

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