'Uniform flow speed' diaporamas de présentation

a is always perpendicular to v x a is always perpendicular to v y a is always perpendicular to v a is always perpe

The vector r indicates the instantaneous displacement of a projectile from the origin. At the instant when the projectile is at r, its velocity and acceleration vectors are v and a . Which statement is correct? Select the correct answer. a is always perpendicular to v x

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