A body moves with varied acceleration a= 6t-4 and at time t=0 the body is moving with velocity 3m/s and has displacement 5m frm the origin Find in terms of t expression for the velocity and displacement of the particle​

A5 foot by 5 foot box culvert is buried 6 feet beneath the surface of the ground. a crosssection of this very long culvert (into and out of the page) is illustrated below. assume that the soil in which the culvert is buried has the following properties: jt = 120 pcf, w = 12%, ko = 0.50, ka = 0.33, and kp = 3.00. calculate the total horizontal force per unit length of culvert (fh) felt on one of the vertical faces of the culvert.