HEL As the tractor approaches the end of the field, it turns at a constant speed until it's facing the opposite direction. State whether the tractor accelerates during this time and explain your answer.

Aparticle travels in a circular orbit of radius 21 m. its speed is changing at a rate of 23.1 m/s2 at an instant when its speed is 37.2 m/s. what is the magnitude of the acceleration (in m/s? ) of the particle?

Ineed asap! list 3 examples in which friction us or makes things easier in our daily life. explain the effect of friction for each. *make sure you explain the effect of friction for each example! *

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?