You throw a ball with launch velocity of [tex]\overrightarrow {v_i}=(3m/s)\widehat{i}+(4m/s)\widehat{j}[/tex] toward a wall, where it hits at height [tex]h_1}[/tex] in time [tex]t_1[/tex] after the launch. Suppose that the launch velocity were, instead, [tex]\overrightarrow {v_i}=(5m/s)\widehat{i}+(4m/s)\widehat{j}[/tex].(adsbygoogle = window.adsbygoogle || []).push({});

Would the time taken by the ball to reach the wall be greater than, less than, or equal to [tex]t_1[/tex]?

I thought that the horizontal component played no role in a projectile motion? Answer is less than, I would have chosen equal to. Should I compute the magnitude in order to convince myself other wise (course it would be greater for the 2nd).

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# Homework Help: Projectile motion

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