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Question

# Starting from the rest and moving in a straight line, a cheetah can achieve a velocity of $V_2=31\:\dfrac{\text{m}} {\text{s}}$ during a period of $t_2=4\text{ s}$. What is the average acceleration of the cheetah?

Solution

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Given:

\begin{aligned} t_1&=0\text{ s}\\ t_2&=4\text{ s}\\ V_1&=0\:\frac{\text{m}}{\text{s}}\\ V_2&=31\:\frac{\text{m}}{\text{s}}\\ \end{aligned}

Where:

• $t_1$ and $t_2$ are the time spans considered in this problem
• $V_1$ and $V_2$ are the velocities considered in this problem

It is required to find the average acceleration of the cheetah $a_\text{avg}$ for the given conditions.

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