The rigid bar is pinned at A and supported by two aluminum rods, each having a diameter of 1 in. a modulus of elasticity Eal = 10(103) ksi, and yield stress of (sY)al = 40 ksi. If the bar is initially vertical, determine the angle of tilt of the bar when the 20-kip load is applied.

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

How much work would it take to move a coulomb charge across a 4 volt potential difference?

Acar driving 22.7 m/s on flat ground drives off a 42.3 m high cliff. how much time does it take to reach the ground?