Horizontal acceleration?

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Multiple Choice

Horizontal acceleration?

Explanation:
In projectile motion with no air resistance, horizontal acceleration is zero because there’s no horizontal force acting on the object. Gravity acts downward, giving a vertical acceleration of a_y = -g, while the horizontal velocity stays constant at its initial value v0x. So the correct statement for horizontal motion is a_x = 0. The other options imply horizontal forces or relationships that don’t apply here: a_x = g would mean gravity acts horizontally, a_x = v0x mixes velocity with acceleration, and a_x = 2 would be a nonzero constant horizontal acceleration, which isn’t present in the standard setup.

In projectile motion with no air resistance, horizontal acceleration is zero because there’s no horizontal force acting on the object. Gravity acts downward, giving a vertical acceleration of a_y = -g, while the horizontal velocity stays constant at its initial value v0x. So the correct statement for horizontal motion is a_x = 0. The other options imply horizontal forces or relationships that don’t apply here: a_x = g would mean gravity acts horizontally, a_x = v0x mixes velocity with acceleration, and a_x = 2 would be a nonzero constant horizontal acceleration, which isn’t present in the standard setup.

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