-PNS and SNS
-Vagus nerve stimulation-> slows firing of SA node; slows impulse conduction of AV node= decrease in HR
-Sympathetic nerve stimulation-> increases SA node firing;AV node impulse conduction and cardiac contractility= increase in HR
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More significant than the kinematic features of the special theory of relativity are the dynamical processes that it describes that Newtonian dynamics does not. Suppose a hypothetical particle with rest mass and netic energy collides with an identical particle at rest. Amazingly, the two particles fuse to form a single new particle. Total energy and momentum are both conserved in the collision. a) Find the momentum and speed of the first particle. b) Find the rest mass and speed of the new particle.
Write down the component form of the differential equations of motion of a projectile if the air resistance is proportional to the square of the speed. Are the equations separated? Show that the x component of the velocity is given by where s is the distance the projectile has traveled along the path of motion, and .