Joe works at offshore oil rig as an engineer. He wants to install a safety system that monitors oil and gas wells, and also seals them when damage occurs. Joe should install a safety system that monitors oil and gas wells, and seals them when damage occurs.

At 12 noon, the count in a bacteria culture was 400; at 4: 00 pm the count was 1200 let p(t) denote the bacteria cou population growth law. find: (a) an expression for the bacteria count at any time t (b) the bacteria count at 10 am. (c) the time required for the bacteria count to reach 1800.

Burgers vector is generally parallel to the dislocation line. a)-true b)-false

For a gate width of 2 m into the paper, determine the force required to hold the gate abc at its location.