How would you describe the size of the following object?
a blood cell
A) microscopic
B) macroscopic
C) submicroscopic
D) all of the above
E) none of the above
Answer: A
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A solenoid of length 18 cm consists of closely spaced coils of wire wrapped tightly around a wooden core. The magnetic field strength is 2.0 mT inside the solenoid near its center when a certain current flows through the coils
If the coils of the solenoid are now pulled apart slightly, stretching it to 21 cm without appreciably changing the size of the coils, what does the magnetic field become near the center of the solenoid when the same current flows through the coils? (?0 = 4? × 10-7 T • m/A) A) 1.7 mT B) 3.4 mT C) 0.85 mT D) 2.0 mT
The mean life (time constant) of rubidium-86 is 26.8 d. What is its half-life?
What will be an ideal response?
The first cells must have been simple, single-celled organisms similar to modern _______________
Fill in the blank(s) with correct word
Does atmospheric pressure affect the buoyant force on a rigid submarine? Explain why or why not
What will be an ideal response?