Multiple Choice

A ballistics analyst is configuring a trajectory model h=−16t2+v0t+h0h = -16t^2 + v_0t + h_0 to determine the peak altitude of a test projectile. To find the time to reach this peak using the vertex formula t=−b/(2a)t = -b / (2a), which piece of launch data must be substituted for the value of 'b'?

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Updated 2026-09-18

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