body falls freely, in the absence of friction, from in of earth. The speed with which the body touches the surface p te v 100 m/s. To determine: Height H. The time t of the fall of the body. The distance h traveled by the body in the interval t=1.00 touching the ground. Velocity v₁ of the body at the beginning of the interval of r e) Average soil resistance force (Fr), if body soil over the distance d=100 cm. Body mass m=500 g. (g Under the. theor. 1. The law of energy transformation and conservation mechanical saddles. 2. Kirchhoff's laws. (Inst Rol Jasi Fac Mec El Textile. Hidrot., subing​