Explain in one sentence why the horizontal component of velocity of a projectile…

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Kinematics · Kinematics

Problem

Explain in one sentence why the horizontal component of velocity of a projectile remains constant during its flight, assuming air resistance is negligible.

Related theory

2D Motion with Constant Acceleration
Projectile motion
Motion in a plane with constant acceleration
Motion in a Plane

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