a)
dane:
v = 15 m/s
t = 5 s
szukane:
a = ?
a = v/t
a = 15m/s/5s
a = 3 m/s²
-------------
b)
vo = 0
t = 12 s
szukane;
v = ?
v = a·t
v = 3m/s²·12s
v = 36 m/s
---------------
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a)
dane:
v = 15 m/s
t = 5 s
szukane:
a = ?
a = v/t
a = 15m/s/5s
a = 3 m/s²
-------------
b)
dane:
vo = 0
a = 3 m/s²
t = 12 s
szukane;
v = ?
v = a·t
v = 3m/s²·12s
v = 36 m/s
---------------
a=9m/s/3s=3m/s^2
3m/s^2*12s=36m/s
a=3m/s^2
v=36m/s