Find the center of gravity of the two joined beams. Express your answer in the form (x, y), taking the origin at the corner where the beams join. Calculate the gravitational torque on the joined beams about an axis through the corner. The beams are seen from the side.

Which type of wave can travel without a medium

15. one purpose of the tread pattern on a tire is to a reduce tire wear. b. reduce traction c. allow water to flow away from the tire. d. look impressive.

An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.