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☆☆☆☆☆Acceleration is a vector, meaning each acceleration has both magnitude and direction. The resultant of vectors is basically the net acceleration on the object expressed as a single vector. For example, if there are two vectors each with a magnitude of 2 meters/(seconds squared) acting on an object and these vectors were placed on the x and y axes then you could represent this system of 2 vectors 90 degrees apart each with a magnitude of two meters/(seconds squared) as one vector of 45 degrees with a magnitude of 2 times the square root of 2 meters/(seconds squared).
False.
gravity
True
The lead-filled ball, because it is less affected by air resistance.
chemical
one dimensional
grams and seconds
i say cause they don't use much technology so they think they are not very as valuable as other Olympic sports
No; "centripetal" implies an inward force.
40 mph
Two vectors that lie along the same line-apex
