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Sagot :
Given data
*The given acceleration is a = 10 m/s^2
*The initial speed of the ball is u = 0 m/s
*The final speed of the ball is v = 100 m/s
The expression for the time taken by the ball to reach the ground is given by the kinematic equation of motion as
[tex]\begin{gathered} v=u+at \\ t=\frac{v-u}{a} \end{gathered}[/tex]Substitute the values in the above expression as
[tex]\begin{gathered} t=\frac{100-0}{10} \\ =10\text{ s} \end{gathered}[/tex]
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