Question

Hi I will be late ⏰ if we are ok weQuestion 5

Answer 1

Case: Differentiation

Method:

`\begin{gathered} h(t)=10+50t+(1)/(2)at^2 \\ h^(\prime)(t)=50+2*(1)/(2)at^(2-1) \\ h^(\prime)(t)=50+at \\ But \\ h^(\prime)(1.25)=9.75 \\ h^(\prime)(1.25)=50+1.25a \\ 9.75=50+1.25a \\ 1.25a=9.75-50 \\ 1.25a=-40.25 \\ a=(-40.25)/(1.25) \\ a=-32.2ft\text{ /}s^2 \end{gathered}`

Final answer:

a = -32.2 ft per sq seconds