When a projectile reaches the highest point of the trajectory, the vertical component of itsvelocity becomes
Correct answer: A. Zero.
- A. Zero.
- B. Half.
- C. Double.
- D. Maximum.
Explanation
In projectile motion, at the highest point of the trajectory, the projectile's vertical component of velocity is zero. This is because the projectile has stopped moving upwards and is about to start descending. At this point, only the horizontal component of velocity remains, and it stays constant (ignoring air resistance). Therefore, the correct answer is 'zero.' The other options are incorrect because they do not accurately describe the behavior of the vertical component of velocity at the highest point.
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About Projectile Motion
Projectile motion combines uniform horizontal motion with vertically accelerated motion under gravity, assuming air resistance is neglected. Questions use the components of initial velocity to find time of flight, maximum height, horizontal range and position, while distinguishing projectile motion from general circular or one dimensional motion.
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