A thin-walled spherical tank with a diameter of 1.5 m and wall thickness of 65 mm has an internal pressure of 20 MPa. The maximum shear stress in the wall of the tank is approximately:
(A) 58 MPa
(B) 67 MPa
(C) 115 MPa
(D) 127 MPa
(A) 58 MPa
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A 1.10-kg wrench is acting on a nut trying to turn it. The length of the wrench lies directly to the east of the nut. A force 150.0 N acts on the wrench at a position 15.0 cm from the center of the nut in a direction 30.0° north of east
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In the Northern Hemisphere, cyclones rotate ________; whereas an anticyclone rotates ________
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Which method relies on the mass of a dark object revealing its presence?
A) pulsars slowing down irregularly B) temporary brightening of a distant star by a gravity lens C) asteroidal occultations D) stellar eclipses E) ring occultations
Charge of uniform surface density (0.20 nC/m2) is distributed over the entire xy plane. Determine the magnitude of the electric field at any point having z = 2.0 m
a. 17 N/C b. 11 N/C c. 23 N/C d. 28 N/C e. 40 N/C