A stunt woman plans to launch herself from a cannon and land in a net. The cannon can launch her at a speed of 16.1 m/s. The net is 25 m away, at the same elevation as the cannon. At what angle (relative to horizontal) should the cannon be aimed so the stunt woman lands safely

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

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.