A projectile is fired at an angle above the horizontal. The y axis component of

Question

A projectile is fired at an angle above the horizontal. The y axis component of its velocity vy __ as it travels through its trajectory. A. Changed due to the effect of gravity B. Remains the same C. Is always zero D. Is always equal to vx A projectile is fired at an angle above the horizontal. The y axis component of its velocity vy __ as it travels through its trajectory. A. Changed due to the effect of gravity B. Remains the same C. Is always zero D. Is always equal to vx A. Changed due to the effect of gravity B. Remains the same C. Is always zero D. Is always equal to vx

Explanation / Answer

1.changes due to effect of gravity.

When a projectile fired at an angle then it has two components.

Vx and Vy.

Vx always remains same throughout as there is no acceleration in x-dirrction.

but due to attraction of gravity y-axis velocity Vy varies with time.

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