Because gravity acts vertically, the horizontal acceleration of a proj…

Question

Because gravity acts vertically, the horizontal acceleration of a projectile is:

Accepted Answer

D. Exactly zero

1. Acceleration follows the direction of the net force.
2. Because gravity is vertical, it has no horizontal component.
3. The horizontal acceleration of a projectile is therefore zero.
4. That is why horizontal velocity stays constant throughout the flight.
_Source: OpenStax College Physics for AP(R) Courses 2e (CC BY 4.0), Ch 3 'Two-Dimensional Kinematics', sections 3.1-3.4_

Answer

Equal to g

Answer

Twice of g

Answer

Half of g

Because gravity acts vertically, the horizontal acceleration of a projectile is:

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