Which of the following ideas is true about projectile motion with no air drag?

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Science

Description

9. Which of the following ideas is true about projectile motion with no air drag?

a. The trajectory will depend on the object's mass as well as its initial velocity and launch angle.

b. v x ² + v y² = constant

c. The horizontal motion is independent of the vertical motion.

d. The acceleration is +g when the object is rising and -g when falling.

e. The total velocity of the object is zero at the point of maximum elevation.

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Explanation & Answer

c. the horizontal motion is independent of the vertical motion.


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