The Vector Indicates the Instantaneous Displacement of a Projectile

question 18

Multiple Choice

The vector indicates the instantaneous displacement of a projectile from the origin. At the instant when the projectile is at , its velocity and acceleration vectors are and . Which statement is correct?

• A) is always perpendicular to .
• B) is always perpendicular to .
• C) is always perpendicular to .
• D) is always perpendicular to .
• E) is always perpendicular to .

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