Proszę o zrobienie zadań zamkniętych i otwartych + obliczenia.
1.b
2.a
3.b
4.c
5.a
6.b
7.a
8.b
9.b
10.c
11.c
12.b
13.b
14.a
15.d
16.b
17.a
18.F=m*a
a=v/t a=0.6m/s/2s=0.3
F=1kg*0.3=0.3N
19.v=s/t v=900m/30s=30m/s
a=v/t a=30m/s/30s=1
200t=200000kg
F=a*m F=1*200000kg=200000N=200kN
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1.b
2.a
3.b
4.c
5.a
6.b
7.a
8.b
9.b
10.c
11.c
12.b
13.b
14.a
15.d
16.b
17.a
18.F=m*a
a=v/t a=0.6m/s/2s=0.3
F=1kg*0.3=0.3N
19.v=s/t v=900m/30s=30m/s
a=v/t a=30m/s/30s=1
200t=200000kg
F=a*m F=1*200000kg=200000N=200kN