An elevator has a rated capacity of 2,000 pound mass (907 kg). It can transport people at the rated capacity between the first and the fifth floors in 7 seconds with a vertical distance of 15 ft (4.6 m) between each floor. Estimate the power requirement for such an elevator.
What will be an ideal response?
Environmental & Atmospheric Sciences
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Explain why the sediment in windblown sand dunes is better sorted than the sediment deposited by a flooding river
What will be an ideal response?
Environmental & Atmospheric Sciences
A(n) ________ boundary occurs where plates move towards one another.
A. abutting B. transform C. convergent D. concurrent E. rift
Environmental & Atmospheric Sciences
Sweating cools people because:
A) it releases latent heat. B) it changes the heat capacity of the body. C) colder molecules in a passing wind adhere to the wet skin. D) it involves a transfer of sensible heat.
Environmental & Atmospheric Sciences
Over 170 reversals of Earth's magnetic field have been recorded in the past 80 million years.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences