Sam estimates that he has 8.6 × 105 corn plants on 44 acres. a. How many plants does he have per acre? b. He planted 22,500 kernels per acre. What was the percent of germination of the corn?
What will be an ideal response?
a. 19,545 plants/a
b. 87%
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Consider an antenna transmitting at 900 MHz. The receiver is traveling at a speed of 40 km/h. Calculate its Doppler shift.
What will be an ideal response?
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Generally, _____ refers to a white, powdery substance on masonry walls.
A. efflorescence B. vanadium stains C. manganese stains D. iron stains
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A(n) ____________________ surface is perpendicular to one primary view but angled with respect to the other two views.
Fill in the blank(s) with the appropriate word(s).
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The chemical energy in fuel is converted to heat by the burning of the fuel at a controlled rate. This process is called ________
A) Torque B) Combustion C) Power D) Consumption
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