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Design a panel of length a = 2 m (along x), width b = 1.5 m, stiffened along the length with 5 blade stiffeners spaced at 25 cm. The panel is simply supported all around and it must carry a uniform load p = 248 kP a transverse to the panel.
Design the panel (skin and stiffeners) with a load factor of 2.5 and a resistance factor 0.4 on the first ply failure strength. Use the carpet plots for E-glass-polyester. Assume a blade stiffener with a width-to-depth ratio w/h = 1 (see given Figure, not to scale), and a depth-to-thickness ratio h/t = 5.
An elvator can carry a max load of 1600kg is moving up with a constant speed of 2 m/s. The frictional force opposing the motion is 3320N. Determine the max power delivered by the motor to the elvator in HP.
A skier is slinding downhill at 11 m/s when she reaches an icy path on which her skies more freely with negligible friction. find the speed of the skier at the bottom of the icy path
A small object is 10 cm to the left of a converging lens (f = +5 cm), and a second diverging lens (f = -3.3 cm) is 5.8 cm to the right of the first. Find the position and magnification of the final image by calculation
Two ice skaters, with masses of 50.0kg and 85.0kg , are at the center of a 40.0m -diameter circular rink. The skaters push off against each other and glide to opposite edges of the rink.If the heavier skater reaches the edge in 40.0s , how long does ..
Rock 1 is thrown straight down from a tower. Rock 2 is thrown straight up from the same height at the same speed as rock 1. find which rock will have the greatest speed
dragons descent is an amusement park ride that lifts riders up a tower about 100m off the ground at constant speed lets
At what distance from the ring's center is E maximum. How deep is the tank.
Halleys comet, which passes around the sun every 76 years, has an elliptical orbit. When closest to the sun (perihelion) it is a distance of 8.823 x 10^10m, calculate its speed at aphelion
A particle travels 19 times around a 10-cm radius circle in 36 seconds. What is the average speed (in m/s) of the particle
If the outside air temperature is 80 °F and the temperature within the balloon is 165 °F, estimate the rate at which it will rise under steady-state conditions if the atmospheric pressure is 14.7 psi.
A person doing a chin-up weighs 655 N exclusive of the arms. During first 15 cm of the lift, each arm exerts an upward force of 355N on the torso. If the upward movement starts from rest, what is the person's velocity at this point.
If the person uses a more accurate instrument to measure the lot and finds it to be 18.33 m by 45.68 m both measurements with uncertainty 0.01 m, what is the uncertainty of area?
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