A male instructor is lecturing in an educational institution, likely a university or school, within Jiangning District, China. He stands to the right of a large projection screen displaying kinematics equations and a velocity-time (vx-t) graph. The screen's upper right section features a red box containing two integral equations: $v_x(t) = v_{x0} + \int_0^t a_x dt'$ and $x = x_0 + \int_0^t v_x(t') dt'$. The lower left section presents a graph depicting constant x-acceleration, labeled with its slope and the change in x-coordinate as the area under the curve. The instructor, an East Asian male with short dark hair, wears a black t-shirt under a light beige jacket and holds a silver pointing stick, gesturing towards the lower portion of the projected graph. His mouth is slightly open, indicating he is speaking. The backs of two students' heads are partially visible in the bottom foreground, positioned as if observing the lecture. The environment is a classroom or lecture hall, distinguished by the projection setup. in Jiangning District, China

$A male instructor is lecturing in an educational institution, likely a university or school, within Jiangning District, China. He stands to the right of a large projection screen displaying kinematics equations and a velocity-time (vx-t) graph. The screen's upper right section features a red box containing two integral equations: $v_x(t) = v_{x0} + \int_0^t a_x dt'$ and $x = x_0 + \int_0^t v_x(t') dt'$. The lower left section presents a graph depicting constant x-acceleration, labeled with its slope and the change in x-coordinate as the area under the curve. The instructor, an East Asian male with short dark hair, wears a black t-shirt under a light beige jacket and holds a silver pointing stick, gesturing towards the lower portion of the projected graph. His mouth is slightly open, indicating he is speaking. The backs of two students' heads are partially visible in the bottom foreground, positioned as if observing the lecture. The environment is a classroom or lecture hall, distinguished by the projection setup.$

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Mar 11, 2026, 7:42 AM

Jiangning District, China

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A male instructor is lecturing in an educational institution, likely a university or school, within Jiangning District, China. He stands to the right of a large projection screen displaying kinematics equations and a velocity-time (vx-t) graph. The screen's upper right section features a red box containing two integral equations: $v_x(t) = v_{x0} + \int_0^t a_x dt'$ and $x = x_0 + \int_0^t v_x(t') dt'$. The lower left section presents a graph depicting constant x-acceleration, labeled with its slope and the change in x-coordinate as the area under the curve. The instructor, an East Asian male with short dark hair, wears a black t-shirt under a light beige jacket and holds a silver pointing stick, gesturing towards the lower portion of the projected graph. His mouth is slightly open, indicating he is speaking. The backs of two students' heads are partially visible in the bottom foreground, positioned as if observing the lecture. The environment is a classroom or lecture hall, distinguished by the projection setup.

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