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(D) 2v cos θ, vertical and in the plane of projection.4. During projectile motion acceleration of a particle at the highest point of its trajectory is(A) g(C) less than g(B) zero(D) dependent upon projection velocitytenf 30° and theother at

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And the acceleration due to gravity is constant on the object thoughout its flight. So the acceleration of the projectile is equal to the acceleration due to gravity,9.81meters/second/second, from just after its thrown, through its highest point, and until just before it hits the ground.option a



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