Rocks solidified from molten material above ground are classified as ______________ igneous rocks
Fill in the blank(s) with correct word
extrusive
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Vision Problems: Mahmood is farsighted and cannot see objects clearly that are closer to his eye than 80.0 cm. What is the focal length of the contact lenses that will enable him to comfortably see objects at a distance of 25.0 cm from his eyes?
A. +36.4 cm B. -36.4 cm C. -21.2 cm D. +21.2 cm E. +32.5 cm
A string with a mass/length of 0.00200 kg/m is stretched between two points with a tension of 115 N. If the distance between the points is changed by 1.0%, then what is the percentage change of the frequency?
A. 0.50% B. 0.75% C. 1.00% D. 1.25% E. 1.50%
Two metal rods, one silver and the other copper, are both attached to a steam chamber as shown in the figure, with a temperature of 100°C, at one end, and an ice water bath, with a temperature of 0°C,
What will be an ideal response?
Ten kilograms of water at 0°C is mixed with 10 kg of water at 100°C. The change in entropy (in cal/K) of the system is
a. 1 000 b. 480 c. -720 d. 240 e. -168