Obilcz śrdnią wartość prędkości:
droga: 30 m
czas:
a) 6s 64ss
b) 6s 57ss
c) 8s 43ss
d) 7s 33ss
v=s/t
a)
30m/6,64s=4,52m/s
b)
30m/6,57s=4,57m/s
c)
30m/8,43s=3,56m/s
d)
30m/7,33s=4,1m/s
Vśr=(4,52m/s+4,57m/s+3,56m/s+4,1m/s)/4=4,19m/s
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v=s/t
a)
30m/6,64s=4,52m/s
b)
30m/6,57s=4,57m/s
c)
30m/8,43s=3,56m/s
d)
30m/7,33s=4,1m/s
Vśr=(4,52m/s+4,57m/s+3,56m/s+4,1m/s)/4=4,19m/s