What is the tension in the cable when elevator accelerated
An elevator weighing 20,000 N is supported by a steel cable. What is the tension in the cable when the elevator is being accelerated downward at a rate of 3.0 m/s2?
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Exactly 6.00 x 10-3 moles of zinc metal is dissolvedin dilute HCL (aq) in an ice calorimeter. The heat released meltsenough ice to produce a volume change of 0.254 mL in the ice-water mixture surrounding the reaction vessel.
A molecule of DNA (deoxyribonucleic acid) is 2.17 µm long. The ends of the molecule become singly ionized: negative on one end, positive on the other. The helical molecule acts like a spring and compresses 1.8% upon becoming charged. Determi
Determine the load required to compress the specimen to a height of (a) 62 mm and (b) 58 mm assuming that the cross section increases uniformly.
An enzyme catalyzes the reaction so that the enzymatic reactionhas a ΔG‡ = 5 kcal/mol. By whatfactor will the reaction rate increase at 300K if we compare the catalyzed reaction to the uncatalyzed reaction?
At another instant prior to necking, the gage length measured 177 mm with a corresponding true stress of 530 MPa. Determine the strength coefficient and the strain-hardening exponent for this metal.
If the hydraulic cylinder extends at a constant rate = 0.6 m/s, determine the angular velocity and the angular acceleration of the link at the instant theta =60 degrees.
Sphere A is projected off the egde of a1.0m high bench with a horizontal velocity of 2.0 m/s. Sphere B is dropped from the the same height as sphere A. Both spheres have the same size and mass.
A sample of size n = 54 recent lobectomy patients is easily available. What is the power of a 2-sided test based on only these patients?
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