5) A rock is thrown from the upper edge of a tall diff at some angle above the h

Question

5) A rock is thrown from the upper edge of a tall diff at some angle above the horizontal. It reaches its highest point and starts falling down. Which of the following statements about the rocks motion are true just before it hits the ground? (There could be more than one correct choice) A) Its horizontal velocity component is the same as it was just as it was launched. B) Its velocity is vertical. C Its vertical velocity component is the same as it was just as it was launched. D) Its speed is the same as it was just as it was launched. E) Its horizontal velocity component is zero.

Explanation / Answer

A) its horizontal velocity component is sames as it was just as it was launched.

horizontal component of velocity remains constat through out its motion

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