A body is projected with a velocity u⃗ = 3i + 4j with respect to ground. At the highest point of motion of the body, what will be the magnitude of the vertical component of the velocity.
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A.
4 m/s
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B.
0 m/s
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C.
5 m/s
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D.
3 m/s
Correct Answer:
B. 0 m/s
Explanation:
At the peak of its trajectory, a projectile's motion is momentarily horizontal. Because the object stops rising before it begins to descend, the vertical component of its velocity becomes zero. Although the horizontal velocity remains constant throughout the flight, the vertical speed is entirely exhausted at the maximum height, resulting in a magnitude of 0 m/s.
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