Physics, 19.06.2020 17:57 cbawesome8
Two streams merge to form a river. One stream has a width of 8.4 m, depth of 3.5 m, and current speed of 2.2 m/s. The other stream is 6.6 m wide and 3.6 m deep, and flows at 2.7 m/s. If the river has width 11.2 m and speed 2.8 m/s, what is its depth
Answers: 2
Physics, 22.06.2019 18:10
A200-n force is applied to the foot-operated air pump. the return spring s exerts a 2.6-n·m moment on member oba for this position. determine the corresponding compression force c in the cylinder bd. if the diameter of the piston in the cylinder is 40 mm, estimate the air pressure generated for these conditions. state any assumptions. enter a positive number for the compression force c.
Answers: 2
Physics, 23.06.2019 02:40
An air standard cycle with variable specific heats is executed in a closed system and is composed of the following four processes. 1-2 isentropic compression 100 kpa and 22°c to 600 kpa 2-3 v=constant heat addition to 1500 k 3-4 isentropic expansion to 100 kpa 4-1 p=constant heat rejection to initial state (a) show the cycle on p-v and t-s s (b) calculate the net work output per unit mass (409 kj/kg) (c) determine the thermal efficiency (47.9%)
Answers: 1
Physics, 23.06.2019 15:00
If it takes ashley 3 seconds to run from the batters box to first base at an average speed of 6.5 meters per second, what is the displacement she covers in that time?
Answers: 2
Physics, 23.06.2019 15:10
What is the magnitude of the electric field at a point 0.0055 m from a 0.0025 c charge?
Answers: 1
Two streams merge to form a river. One stream has a width of 8.4 m, depth of 3.5 m, and current spee...
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