A M S   5M MA) 30 0, 2

4 /

a m s

5

m m

a) 30 0, 2.5.10 

²



.

b) v

²

v

0

²

2 as

v

2 as

2.4.2

4  m s /  ;

s at t s s

2 4

a

c) ¹

²

^{2 2.2 1}  