Question

S= ut + 1/2 at x2
u=10
a=-2
t=1/2
work out the value of s

Answer 1

s = 4 3/4.

Explanation:

The formula is s = ut + 1/2 at^2

so s = 10^1/2 + 1/2 * -2 * (1/2)^2

s = 5 - 1/4

= 4 3/4.