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Which of the following is true statement regarding the motion of projectiles?(A) All projectiles have zero velocity at the apex of the trajectory.(B) The velocity of projectiles is smallest at the apex of the trajectory.(C) The acceleration of projectiles is greatest at the apex of the trajectory.(D) Projectiles have maximum kinetic energy at the apex of the trajectory.

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Chapter 14

Practice Test 4

Section 1

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in this problem, we have to find which of the following is true. Statement regarding the motion of projectiles. Suppose this is object. It has initial speed V. It is the angle of the horizontal and it will go like this. Yeah. So the statement first says that the all projectiles have zero velocity and the effects of trajectory. We know that FX. Is that a decree? At this point, this is the maximum high point two. We know that during projectile, the horizontal component of velocity means equal during the projectile. This is equal to the cost theater. But at the apex point, Or we can say at the maximum high point, there will be no vertical component of philosophy. So the statement is wrong because it has velocity which is equal to the cost center. The statement? Yes. Is it all the statement B says the velocity of projectile is the smallest and the effects of trajectory right? It is right, because at the apex there will be no component of velocity in the vertical direction. So the statement we is right. The statement says. This says the acceleration of projector is greatest at the effects of that exactly. You know that at all the time acceleration is equal to G, which is due to gravitation. So we can say that exhalation remains same duty, projectile motion. So this is I often see is also wrong and statement These projectile have maximum kinetic energy at the apex of the trajectory. No, it has a minimum kinetic energy and the effects of that as a free so option B will be also wrong. So statement we are option. We will be our characters that thank you.

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