The speed and acceleration of the stone is 15.7 m/s and 31.4 [tex]m/s^{2}[/tex].
Acceleration is the rate at which an object's velocity with respect to time changes. They are vector quantities, accelerations. The direction of the net force acting on an object determines the direction of its acceleration.
Given, radius of tire (r) = 0.500 m
[tex]V_{t} =\frac{2\pi r}{T} \\=\frac{2\pi (0.500)}{(60s/300rev)}[/tex]
= 15.7 m/s
[tex]a=\frac{v^{2} }{R}\\\\\= \frac{15.7}{0.500}[/tex]
= 31.4 [tex]m/s^{2}[/tex] inward
Hence, the speed and acceleration of the stone is 15.7 m/s and 31.4 [tex]m/s^{2}[/tex]
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