Examlex
Quintupling the tension in a guitar string will change its natural frequency by what factor?
Antagonist
In pharmacology, a substance that acts against and blocks an action within the body, or in literature, a character who opposes the protagonist.
Hallucinations
Perception-like experiences without an external stimulus, evident in conditions like schizophrenia, characterized by seeing, hearing, or feeling things that aren't present.
GABA
Gamma-Aminobutyric Acid, an inhibitory neurotransmitter in the brain that reduces neuronal excitability.
Agonist
A chemical or drug that binds to receptors in the brain and activates them, thereby producing a biological response.
Q9: Two capacitors with C<sub>A</sub> greater than C<sub>B</sub>
Q13: An object is attached to a spring
Q15: Suppose two charges,one positive and one negative,are
Q18: A heat engine exhausts 3 200 J
Q51: A heat engine receives 7 900 J
Q60: A high-voltage transmission line carries 1 000
Q61: A spherical surface surrounds a point charge
Q70: Resistors of values 7 Ω,15 Ω,and 25
Q74: An airplane flying with a constant speed
Q86: A runaway railroad car,with mass 45.0 ×