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Question: Two cantilever beams are joined together through a simple pin, as shown in Figure. The concentrated load at the midspan is P =200 lb. The beam has a rectangular cross section with width = 12 in and height = 1 in. The length of the beam is L =200 in and its modulus of elasticity is E = 107 lb/in2. Taking advantage of symmetry, use only one beam element to determine maximum bending and shear stresses in the beam.
An astronomical unit (AU) is the average distance between the Earth and the sun (1.50 x 1011 m). How many AUs are there in one lightyear (9.46 x 1015 m)? Determine the distance from the Earth to the Andromeda galaxy (2 x 1022 m) in AUs
two workers are trying to move a heavy crate. one pushes on the crate with a force a which has a magnitude of 445
A trash can with a mass of 15 kg has a coefficient of static friction of μs = 0.80 and a coefficient of kinetic friction of μk = 0.22. Determine the acceleration of the trash can as it moves
question the classical picture of the hydrogen atom has a single electron in orbit a distance 0.0529nm from the
A generator at one end of a very long string creates a wave
The drive motor is shifted to turn the carousel at a higher constant rate of rotation, Calculate the coefficient of static friction between the bag and the carousel
A single coil produces an emf of 8.70 V when the current in it changes from -29.0 mA to 30.0 mA in 49.0 ms. What is the inductance of this coil?
Air that initially occupies 0.16 m3 at a gaugepressure of 100 kPa is expanded isothermally to a pressure of 101.3kPa and then cooled at constant pressure until it reaches itsinitial volume. Compute the work done by the air
A model of a red blood cell portrays the cell as a spherical capacitor, a positively charged liquid sphere of surface area A separated from the surrounding negatively charged fluid by a membrane of thickness t. estimate the volume of the cell
An inductor has a 57.0-? reactance when connected to a 60.0-Hz source. What is the maximum current in the inductor
A freezer is used to freeze 1.0 Lof water completely into ice. The water and the freezer remain at aconstant temperature of T = 0°C. Determine the change in the entropy of the freezer
Three objects are connected on an inclined table as shown in the diagram below. The objects have masses 8.0 kg, 4.0 kg and 2.0 kg, Determine the tensions in the two cords
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