The motion of a car on a position-time graph is represented with a horizontal line. what does this indicate about the car’s motion?

it’s not moving.

it’s moving at a constant speed.

it’s moving at a constant velocity.

it’s speeding up.

Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon

Can you match these to the correct definition

Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.