Submarine acceleration
A 1600-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant force of 16450 N on the sub, as well as a downward resistive force of 1000 N. What is the submarine's acceleration?
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The intensity of sunlight that reaches Jupiter (orbiting at about 5 AU) is approximately what fraction of that at Earth"s orbital distance?
The total momentum of a closed system is observed to be 640 kg·m/s east. The system consists of 36 objects that are observed to be colliding with each other. After 13.3 min and 4722 collisions, what is the total momentum of the system?
In a protein complex for the light reaction (a reaction center), energy is transferred from pigment molecule to pigment molecule, to a special chlorophyll a molecule, and eventually to the primary electron acceptor. Why does this occur?
Real-time systems often require precise timing for data sampling and control operations. This is usually achieved through the use of a programmable timer circuit that periodically interrupts the main processor at precise times.
Potential difference across the capacitor to be 9.0 V. What capacitance should be placed in series with this capacitor to obtain the desired potential difference across it?
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Discuss the continuing education requirement carried by many of the certifications discussed in this module. What is the purpose of the requirement? How is it enforced?
Topic as it relates to the overall cell, plant or animal, or you may choose an article related to a specific organelle contained within the cell.
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