If the object distance (s) is less than the focal length (f) then the image is ____________
Fill in the blank(s) with correct word
virtual
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What do we call a specific pattern of stars in the sky, often named for an animal?
A. a star animal B. a cluster C. the ecliptic D. a constellation
Dimensional Analysis: The distance d through which a beam of length L is deflected when it is subjected to a fixed load may be described by the relationship d = RL2. What are the SI units of the constant R?
A. m3 B. m2 C. m D. m-1 E. R is dimensionless
Name the four principal types of solar system debris; pair them up in terms of composition
What will be an ideal response?
The coefficient of linear expansion of copper is 17 × 10-6 K-1. A sheet of copper has a round hole with a radius of 3.0 m cut out of it
If the sheet is heated and undergoes a change in temperature of 80 K, what is the change in the radius of the hole? A) It decreases by 4.1 mm. B) It increases by 4.1 mm. C) It decreases by 8.2 mm. D) It increases by 8.2 mm. E) It does not change.