10) For general projectile motion, the vertical component of a projectile\'s acc

Question

10) For general projectile motion, the vertical component of a projectile's acceleration 10) A) continuously increases. C) remains a non-zero constant. B) is zero D) any of the above, depending on position. 11) For general projectile motion, which statement is true when the projectile is at the highest point of 11 its trajectory? A) Its acceleration is zero B) Its velocity and acool eration are both zero. C) Its horizontal component of its velocity is zero. D) Its velocity is perpendicular to the acceleration.

Explanation / Answer

10. c) remains a non zero constant.

its value is -g.

11. d) Its velocity is perpendicular to acceleration.

as acceleration is always -g,

vertical velocity is zero at peak but the horizontal velocity is always vcos() constant so total velocity is also non zero,

only d is true.

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