How is velocity different than speed? A. Velocity measures just direction and speed measures how far something moves in a certain amount of time
B. Velocity and speed are the same thing.
C . Velocity and speed measure the how far something moves in a certain amount of time but velocity also includes DIRECTION.

c because the action was the roller coaster reaches bottom of hill (action) reaction would be blood tends to drain away from head

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the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this

the components of a vector are the parts of the vectors that are to each other.

b perpendicular