Maths question help

[Bob takoyaki]

How do you do question 10 http://books.google.co.nz/books?id=...nd that the initial deceleration is 4&f=false. Thanks .

 

[sparsha.mehta]

How do you do question 10 http://books.google.co.nz/books?id=5Q2u4nU7G0wC&pg=PA154&lpg=PA154&dq=given that the total distance travelled is 4km and that the initial deceleration is 4&source=bl&ots=OcwOL-KOHy&sig=oS6aZ7hrflR6zKuT_is8Tj82U24&hl=en&sa=X&ei=CWWDULuQDqyciAfuyoGwCg&ved=0CC8Q6AEwAA#v=onepage&q=given that the total distance travelled is 4km and that the initial deceleration is 4&f=false. Thanks .

is T:10
and V:140

 

[sparsha.mehta]

reply soooooooooon