Examlex
A brass cube, 10 cm on a side, is raised in temperature by 150 C. The coefficient of volume expansion of brass is 57 *10 - 6/ C. By what percentage does volume increase?
Rheumatoid Arthritis
A chronic autoimmune disorder that primarily affects joints, leading to inflammation, pain, and eventual joint destruction.
Master Biological Clock
A mechanism within the brain, specifically the suprachiasmatic nucleus of the hypothalamus, that regulates the circadian rhythms of the body, influencing sleep-wake cycles, hormone release, and other physiological processes.
Histamine Release
The process by which histamine is released from immune cells into the body, often in response to an allergic reaction, leading to symptoms like itching, swelling, and redness.
Sympathetic Nervous System
A part of the autonomic nervous system that activates the body's fight-or-flight response during stressful situations.
Q16: An earthquake emits both P waves and
Q20: Two windowpanes are being compared for their
Q31: A rotating flywheel can be used as
Q33: Which of the following characteristics are held
Q36: A 0.40-m radius automobile tire accelerates from
Q46: Two point charges, separated by 1.5
Q51: Consider two identical and symmetrical wave pulses
Q57: Two billiard balls have velocities of 2.0
Q72: An object of mass m moving at
Q85: A windowpane is half a centimeter