Physics, 09.08.2019 03:10 tiffxnnyyy
With the information from exercise 8.25, you can calculate the average age of the ocean floor. first, find the total area of the ocean floor (equal to about 60% of the surface area of earth). then compare this with the area created (or destroyed) each year. the average lifetime is the ratio of these numbers: the total area of ocean crust compared to the amount created (or destroyed) each year.
Answers: 2
Physics, 22.06.2019 07:10
Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?
Answers: 2
Physics, 22.06.2019 18:10
Arefrigerator uses r-134a as the working fluid and operates on the ideal vapor-compression refrigeration cycle except for the compression process. the refrigerant enters the evaporator at 120 kpa with a quality of 34 percent and leaves the compressor at 70°c. if the compressor consumes 450 w of power, determine (a) the mass flow rate of the refrigerant, (b) the condenser pressure, and (c) the cop of the refrigerator. (0.00644 kg/s, 800 kpa, 2.03)
Answers: 1
Physics, 23.06.2019 00:00
What energy transformations occur each time the skateboarder rolls up the ramp?
Answers: 2
With the information from exercise 8.25, you can calculate the average age of the ocean floor. first...
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