A technician charges $17 per hour for labor. How much should be charged for a 32-hour job?
Fill in the blank(s) with the appropriate word(s).
$544
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A material that is weak in tension is
A) strong in shear. B) weak in shear. C) no relationship between the shear and tensile strengths of a material.
The PW-based relation for the incremental cash flow series to find ?i* between the lower first-cost alternative X and alternative Y has been developed.
0 = ? 40,000 + 9000(P?A,?i*,10) ? 2000(P?F,?i*,10) Determine the highest MARR value for which Y is preferred over X. Write the single-cell spreadsheet function that displays ?i*.
A solar tracking system uses a stepper motor as an actuator. The stepper faces a constant load torque of 100 oz-in. The step angle is 1.8 degrees. The inertia of the solar collector is 20 oz-inches per s2. If the load needs to be accelerated to 150 steps per second in 1 sec, find the minimum motor torque required to conduct this operation.
What will be an ideal response?
Who was the Swedish botanist credited with developing the system of binomial nomenclature?
a. Charles Darwin c. Louis Pasteur b. Robert Hook d. Carolus Linnaeus