MECHANICS: A ball is thrown so that it just clears a 3 m fence 18 m away. If it left the hand 1.5 m above the ground and at an angle of 60° to the horizontal. What was the
initial velocity of the ball?

Given:
h = 3 m , Ѳ = 60°
X = 18 m , y = 1.5 m , V0 = ?

Determine whether or not it is possible to compress air adiabatically from k to 140 kpa and 400 k. what is the entropy change during this process?

Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed. gi) ifn 1, what will happen to the material when transformed material when

Determine the damped natural frequencies and the steady state response of a decoupled damped forced two degrees of freedom system. 10ä1 + 2q1 20q1 10 cos t; 10q2 +4q2 + 40q2 10 cos t