Comprehension Passage

Direction: Read the given passage and answer the following questions.

Kinematics, a branch of mechanics, deals with the motion of objects without considering the forces that cause this motion. It involves the study of various parameters such as displacement, velocity, acceleration, and time, providing a comprehensive framework for understanding how objects move. The foundations of kinematics are deeply rooted in classical mechanics, with significant contributions from scientists like Galileo Galilei and Sir Isaac Newton. Key concepts in kinematics include the equations of motion, which describe the relationship between these parameters for objects moving with constant acceleration. Kinematics also explores different types of motion, such as linear, rotational, and oscillatory. The study of motion in one, two, and three dimensions allows for the analysis of complex systems, from simple projectiles to celestial bodies. Advanced kinematics applies mathematical techniques and computational tools to simulate and predict the behavior of moving objects, which is essential in fields like robotics, biomechanics, and aerospace engineering. By understanding the kinematics of a system, engineers and scientists can design more efficient mechanisms, optimize performance, and enhance safety in various technological applications.

In projectile motion, what is the horizontal component of velocity when air resistance is negligible?

1
 It increases with time.
2
It decreases with time.
3
it remains constant.
4
It becomes zero at the peak of the trajectory.

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