The document that certifies the correctness of the load line marks on a ship is called the
A.Certificate of Inspection
B.Load line certificate
C.Certificate of Documentation
D.SOLAS Certificate
A.Certificate of Inspection
B.Load line certificate
C.Certificate of Documentation
D.SOLAS Certificate
A bucket of water with total mass 23 kg is attached to a rope, which in turn is wound around a 0.050-m radius cylinder at the top of a well. A crank with a turning radius of 0.25 m is attached to the end of the cylinder and the moment of inertia of cylinder and crank is 0.12 kg∙m^2. If the bucket is raised to the top of the well and released, what is the acceleration of the bucket as it falls toward the bottom of the well? _______m/s^2. (Assume rope's mass is negligible, that cylinder turns on frictionless bearings and that g = 9.8 m/s^2.)
A、3.2
B、6.3
C、7.4
D、9.8
E、98
F、12.5
G、19.8
A、That demand for their product in low income areas is price inelastic.
B、That demand for their product in low income areas is price elastic.
C、McDonald's believes in demand-based pricing.
D、McDonald's doesn't believe in demand-based pricing.
B.TV drama
C.opera
D.soap opera
A、new carrier airline;current carrier airline
B、current carrier airline;current carrier agency
C、new carrier agency; current carrier airline
D、current carrier airline;new carrier airline
A、transportation
B、remain
C、change
D、difference
A、airport
B、travel agency
C、airline office
D、airline counter
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