Examlex
If a vector's components are all negative, then the magnitude of the vector is negative.
Brainstem
The lower extension of the brain, connecting to the spinal cord, and responsible for controlling vital functions such as breathing and heart rate.
Spinal Cord
A long, thin, tubular structure made up of nervous tissue, which extends from the brainstem to the lower back and transmits neural signals between the brain and the rest of the body.
Hypothalamus
A region of the brain located below the thalamus, responsible for the regulation of many bodily functions, including temperature, hunger, and the release of hormones.
Median Section
A vertical plane that divides the body or any of its parts into right and left halves; also known as the midsagittal plane.
Q3: A pickup truck moves at 25 m/s
Q8: To determine the height of a bridge
Q18: A 590-kg rocket is at rest on
Q24: For general projectile motion with no air
Q28: A puck moves on a horizontal
Q39: A car (of mass 1500 kg)and a
Q53: What is the angular speed, in rad/s,
Q63: Two air track carts move along an
Q71: At their closest approach, Venus and Earth
Q75: A satellite orbits the Earth once every