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Kinetic energy or speed at the highest point of a projectile

This type of question, asked 4 times: 29 Jul 2022, 29 Jan 2023, 31 Jan 2023, 23 Jan 2025. All 4 questions below, oldest first.

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  1. Question 1

    29 Jul 2022

    5
    A ball is projected with kinetic energy EE, at an angle of 60∘60^{\circ} to the horizontal. The kinetic energy of this ball at the highest point of its flight will become:

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  2. Question 2

    29 Jan 2023

    16
    A stone is projected at angle 30∘30^{\circ} to the horizontal. The ratio of kinetic energy of the stone at point of projection to its kinetic energy at the highest point of flight will be -

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  3. Question 3

    31 Jan 2023

    3
    The initial speed of a projectile fired from ground is uu. At the highest point during its motion, the speed of projectile is 32u\frac{\sqrt{3}}{2}u. The time of flight of the projectile is:

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  4. Question 4

    23 Jan 2025

    76
    A ball having kinetic energy KE , is projected at an angle of 60∘60^{\circ} from the horizontal. What will be the kinetic energy of ball at the highest point of its flight?

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