A tennis ball rolls off a flat roof, moving horizontally at 10 m/s. Ignoring the air, what is its velocity 1.0 s later, before it lands? Take g = 9.8 m/s².

PhysicsMediumHigh School (11–12)Mechanics › Vectors and Motion in a Plane

A tennis ball rolls off a flat roof, moving horizontally at $10\ \text{m/s}$ . Ignoring the air, what is its velocity $1.0\ \text{s}$ later, before it lands? Take $g = 9.8\ \text{m/s}^2$ .

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