Page 41 - Modul 01 Kinematika
P. 41
b. Total perpindahan
Buat tabel berikut
Waktu (t) xi ∆
= 0 s = 0 ∆ = 0 km
0
0
0
= 9 = 0,5 km ∆ = − = 0,5 km
1
1
0
1
1
= 18 = 0 ∆ = − = −0,5 km
2
2
1
2
2
= 33 = 1,0 ∆ = − = 1,0
3
3
3
3
2
= 58 = −0,75 ∆ = − = −1,75
3
4
3
4
4
∑ ∆ = 0,5 − 0,5 + 1,0 − 1,75 = −0,75
c. Besarnya perpindahan total ⌊∑ ∆ ⌋ = ⌊−0,75 ⌋ = 0,75
̅
d. = ∑ ∆ = −0,75 = −0,013 /
∆ 58
e. Jarak total yang ditempuh selama 58 menit adalah
= ∑⌊∆ ⌋ = 0,5 + 0,5 + 1,0 + 1,75 = 3,75
f. Grafik posisi terhadap waktu
x(m)
3,0
2,0
1,0
t(s)
0
10 20 30 40 50 60
-1,0
-2,0
-3,0
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Modul 1 KINEMATIKA
