Which of the following is true for an object traveling in a circular path at constant speed? a. both its speed and velocity are constant . b. its speed is constant, but its velocity is changing. c. its speed is constant, so its acceleration is zero. d. both its velocity and acceleration are constant

What is friction? how does it affect the motion of an object?

As seen in a us weather map, the h (or high) and l (or low) symbols indicate regions where surface air pressures are high or low, respectively, compared to surrounding areas. an h is plotted where the air pressure is highest and an l is plotted where the air pressure is lowest. proceeding outward and away from the center of a high pressure system, the air pressure "

What describes the particles in a liquid