Question

Work out the value of s

Answer 1

`(19)/(4)`

Explanation:

s = ut +
`(1)/(2)` at² ( substitute the given values for u, a and t )

s = (10 ×
`(1)/(2)` ) +
`(1)/(2)` × - 2 × (
`(1)/(2)` )²

= 5 + (- 1 ×
`(1)/(4)` )

= 5 + (-
`(1)/(4)` )

= 5 -
`(1)/(4)`

= 4
`(3)/(4)` =
`(19)/(4)` = 4.75