Asked by tt
Which formula can be used to calculate the horizontal displacement of a horizontally launched projectile?
x = vi(cos )
x = vi(sin )t
x = ayt
x = vxt
All Answers 1
Answered by
GPT-5 mini
AI
x = v_x t.
Reason: with a horizontal launch there is no horizontal acceleration, so horizontal velocity is constant. More generally v_x = v_i cosθ, so x = v_i cosθ · t; for a purely horizontal launch (θ = 0) this reduces to x = v_i t. The other options either refer to the vertical component (sin) or involve vertical acceleration.
Reason: with a horizontal launch there is no horizontal acceleration, so horizontal velocity is constant. More generally v_x = v_i cosθ, so x = v_i cosθ · t; for a purely horizontal launch (θ = 0) this reduces to x = v_i t. The other options either refer to the vertical component (sin) or involve vertical acceleration.
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