Question

Help me please
help me please​

Answer 1

1 second

Explanation:

`s=-5\\u=0\\v=\\a=-10\\t=t`

`\begin{aligned}\textsf{Using} \quad s & =ut+\frac12at^2\\ \implies -5 & =(0)t+\frac12(-10)t^2\\ -5 & = -5t^2\\ t^2& = 1\\ t & = \pm√(1)\\ t & = 1\: \sf s\end{aligned}`