1.

v = 10 `m/s`

t= 5 perc = 300 s

s = `v*t` = `10*300` = 3000 m = 3 km

Grafikon lent.

2.

v = 50 `(km)/h` = 13,89 `m/s`

a = 0,4 `m/s^2`

v = `a*t`

t = `v/a` = `13.89/0.4` = 34,72 s

s = `a/2*t^2` = `0.4/2*34.72^2` = 241,12 m

3.

v = `g*t`

t = `v/g`

s = `g/2*t^2` = `g/2*(v/g)^2` = `v^2/2g`

v = `root()(2*s*g)` = `root()(2*10*15)` = `root()(300)` = 17,3 `m/s`

t = `v/g` = `17.3/10` = 1,73 s

4.

n = 3 `1/s`

r = 2 m

`v_("ker")` = `2*pi*r*n` = `2*3.14*2*3` = 37,7 `m/s`

`omega` = `2*pi*n` = `2*3.14*3` = 18,85 `1/s`

T = `1/n` = `1/3` s