The work performed as a function of time for a process is given by W = at3 where a = 2.4 J/s3. What is the instantaneous power output at t = 3.7 s?
A) 99 W
B) 69 W
C) 138 W
D) 207 W
A
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Buoyancy: The bathyscaphe Trieste consists of a thin-walled but very strong cylindrical hull, 15.2 m long and 3.66 m in diameter, filled with gasoline with a density of 880 kg/m3 to make it buoyant. If it is totally submerged in seawater with a density of 1025 kg/m3 and neither rising nor sinking, what is the weight of the Trieste craft?
A. 127 kN B. 227 kN C. 327 kN D. 427 kN E. 527 kN
If a Burger’s circuit is performed around a dislocation, the Burger’s _____________closes the circuit.
Fill in the blank(s) with the appropriate word(s).
One fundamental difference between a particle and its antiparticle is the
A. number of quarks contained in each particle. B. charge, if the particle has a charge. C. spin. D. mass.
Discuss the population, size, and types of galaxies we find in our Local Group
What will be an ideal response?