The origin of any microtides in the human body is most likely the
A) Sun.
B) Moon.
C) Earth.
Answer: C
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An aluminum cantilever beam of length L 5 0.65 m carries a distributed load, which includes its own weight, of intensity q/2 at A and q at B. The beam cross section has a width of 50 mm and a height of 170 mm. Allowable bending stress is 95 MPa and allowable shear stress is 12 MPa. The permissible value of load inten- sity q is approximately:
(A) 110 kN/m
(B) 122 kN/m
(C) 130 kN/m
(D) 139 kN/m
When a car of mass accelerates from 10.0 m/s to some final speed, 4.00 × 105 J of work are done on it by the frictional force exerted on the car by the road's surface. Find this final speed
A) 28.0 m/s B) 22.4 m/s C) 25.2 m/s D) 30.8 m/s
At a certain instant, a compact disc is rotating at 210 rpm. What is its angular speed in rad/s?
A) 11 rad/s B) 22 rad/s C) 45 rad/s D) 69 rad/s E) 660 rad/s
What is the direction of the air circulation around a high-pressure cell in the northern hemi sphere?