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A particle is projected in air at some angle to the horizontal, moves along parabola as shown in the figure, where x and y indicate horizontal and vertical directions respectively. Show in the diagram, direction of velocity and acceleration at points A, B, and C.
A particle is projected in air at some angle to the horizontal, moves along parabola as shown in the figure, where x and y indicate horizontal and vertical directions respectively. Show in the diagram, direction of velocity and acceleration at points A, B, and C.
CBSE | Class 11 | Motion in a Plane | NCERT | Physics
A particle is projected in air at some angle to the horizontal, moves along parabola as shown in the figure, where x and y indicate horizontal and vertical directions respectively. Show in the diagram, direction of velocity and acceleration at points A, B, and C.

Answer:

The projectile motion is parabolic. The velocity is always tangential to A, B, and C. The trajectory reaches its greatest height at B. So Bvy = 0 and u cos.

We know that acceleration follows the force exerting on the body. So the acceleration is always vertically downward and equal to the acceleration owing to gravity.

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