A culture started out with five microbes. After five generations, how many microbes are in the culture?
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Two toy blocks are stacked to form a tee-shape. Each block h…
Two toy blocks are stacked to form a tee-shape. Each block has dimensions a = 15.1 mm and b = 45.3 mm. Determine the vertical distance from the table to the centroid of the shape.
A 43-N eagle sits on a tee-shaped post that has a diameter o…
A 43-N eagle sits on a tee-shaped post that has a diameter of 45 mm. Determine the magnitude of the largest normal stress in the vertical part of the post. Let a = 0.40 m be the distance from the eagle to the centroid of the post.
A cylindrical beam supports a shear force of 15.4 kN. The ou…
A cylindrical beam supports a shear force of 15.4 kN. The outside diameter is 58 mm, and the wall thickness is 4 mm. Determine the maximum horizontal shear stress in the beam.
A cylindrical beam supports a shear force of 15.2 kN. The ou…
A cylindrical beam supports a shear force of 15.2 kN. The outside diameter is 48 mm, and the wall thickness is 5 mm. Determine the maximum horizontal shear stress in the beam.
A 1,480-lb dinosaur stands on a simply-supported beam. Deter…
A 1,480-lb dinosaur stands on a simply-supported beam. Determine the maximum bending moment in the beam. Let a = 11.1 ft and b = 6.8 ft.
Five toy blocks are glued together to form a beam that suppo…
Five toy blocks are glued together to form a beam that supports a shear force of 137 N. Each block has dimensions a = 18 mm and b = 54 mm. Determine the horizontal shear stress in the glue between blocks (4) and (5).
Force P = 37 lb is applied to a wrench that has dimensions a…
Force P = 37 lb is applied to a wrench that has dimensions a = 5.5 in., b = 0.75 in., and c = 0.29 in. Determine the magnitude of the largest bending stress in the handle of the wrench.
Force P = 30 lb is applied to a wrench that has dimensions a…
Force P = 30 lb is applied to a wrench that has dimensions a = 5.7 in., b = 0.83 in., and c = 0.30 in. Determine the magnitude of the largest bending stress in the handle of the wrench.
Six toy blocks are glued together to form a beam that suppor…
Six toy blocks are glued together to form a beam that supports a shear force of 163 N. Each block has dimensions a = 16 mm and b = 48 mm. Determine the horizontal shear stress in the glue between blocks (4) and (5).