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प्रश्न
When a ball is thrown at an angle (projectile motion), ignoring air resistance, what is its instantaneous acceleration throughout its flight?
विकल्प
Changes in size and direction
Zero at the top
Always down and constant
Same as velocity direction
MCQ
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उत्तर
Always down and constant
Explanation:
In projectile motion, acceleration is always downward (gravity) and stays the same the whole time.
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