Acircular tube ab is fixed at one end and free at the other end. the tube is subjected to axial force at joint b. if the outer diameter of the tube is 3 in. and the thickness is ¾ in., calculate the maximum normal stress in the tube.

Current enters a circuit at a: 1.positive terminal 2.negative terminal 3.low potential side 4.resistor

Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant