Question

7
(2) (m/s) a (m/s) (second) s - ut + at (m)
5
12
3
7
1
92​

Answer 1

Answer:

\begin{gathered}s = ut + \frac{1}{2} at {}^{2} \\ \\ 92 = 7 \times 4 + \frac{1}{2} \times a \times 16 \\ \\ 92 = 28 + 8a \\ \\ 8a = 64 \\ \\ a = > 8ms {}^{ - 2} \end{gathered}

s=ut+

2

1

at

2

92=7×4+

2

1

×a×16

92=28+8a

8a=64

a=>8ms

−2