What is the density of a metal cube that has 6.5 cm at each side, and was drilled with a cylindrical hole of 1.5 cm at the center, drilled all the way through two faces of the metal? The cube weighs 8.00 N.
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Q: Refer to Multiple-Concept Example 11 to see a problem similar to this one. What is the smallest…
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- Refer to Multiple-Concept Example 11 to see a problem similar to this one. What is the smallest number of whole logs (p = 725 kg/m³, radius = 0.0880 m, length = 2.70 m) that can be used to build a raft that will carry four people, each of whom has a mass of 68.0 kg?.....The following container is spun with an angular velocity of 12 rad/s after being 45% filled with water. Determine the pressure that would be at the base of the container at the most outer diameter if it has a diameter of 250mm, a height of 200mm and the container is sealed. Ø250mm Ø200mm P= ?
- A weed trimmer for yard work has a rotating head which consists of a spool of monofilament line, with a strand of line that extends out from the edge. The spool has an inner diameter of 3.00 cm and an outer diameter of 18.0 cm, and a mass of 100 g. The strand has a length of 16.0 cm. The monofilament line has a linear density of 10.0 g/m. 16.0 cm- Need Help? 3.00 cm (a) When switched on, the trimmer speeds up from 0 to 2.500 rev/min in 0.225 s. What average power (in W) is delivered to the head by the trimmer motor while it is accelerating? (Round your answer to at least one decimal place.) -18.0 cm- (b) When the trimmer is cutting weeds, it spins at 2,100 rev/min and the weeds exert an average tangential force of 9.15 N on the outer end of the line, which is still at a radial distance of 16.0 cm from the outer edge of the spool. What is the power (in W) delivered to the head under load? W ReadA Volkswagen with mass m = 8.00 x 102kg is at rest as shown in the figure. Both pistons have a circular cross-sectional area. The small piston has a diameter of d1 = 0.25 m and the large piston has a diameter d2 = 4.5 m. Determine the magnitude of the forceexercised on the small piston.An automobile tire is shown in the figure below. The tire is made of rubber with a uniform density of 1.10 x 10 ka/m, The tire can be modeled as consisting of two flat sidewals and a tread region. Each of the sidewalls has an inner radius of 16.5 cm and an outer radius of 30.5 cm as shown, and a uniform thickness of 0.05 cm. The tread region can be approximated as having a uniform thickness of 2.50 cm (that is, its inner radius is 30.5 cm and outer radius is 33.0 cm as shown) and a width of 16.0 cm. what is the moment of inertia (in kg -m) of the tire about an axis perpendicular to the page through its center? Sidewall 33.0 cm 16.5 cm 50.5 cm Tread kg- m2
- Two circular platforms are attached to a fluid reservoir. On one platform rests the entire cast of Glee frozen in carbonite. A force of 7.0 N is applied downward to the empty platform with radius 8.0 m. The other platform applies a force of 7.2 N to the carbonite-frozen pop-idols. What is the radius of the platform holding the Glee cast?answer 8 only