Explain the difference between speed, velocity and acceleration. give an example of each.

speed is the rate that something is able to move or operate, velocity is the speed of something in a given direction, and acceleration is somethings capacity to gain speed within a short time.

examples.

speed: 45 mph or cleaning a room in 10 mins

velocity: 75 mph

acceleration: dropping a ball, speeding up, slowing down, turning

d is the answer

sorry if its wrong!

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.