v.rata-rata = Δr/Δt
v.rata-rata = r2-r1 / t2-t1
r (1) = (4.1²) i + (6.1 - 2) j
r (1) = 4i + 4j
r (2) = (4.2²) i + (6.2-2) j
r (2) = 16i + 10j
Δr = (16i+10j) - (4i+4j) >> 12i + 6j
Karena masi dalam bentuk i dan j maka berlaku rumus ini : √12²+6² >> √144+36 >> √180 >> √4.9.5 >> 6√5 m
v.rata-rata = Δr/Δt >> 6√5 / 3-1 >> 6√5/2 >> 3√5 m/s
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v.rata-rata = Δr/Δt
v.rata-rata = r2-r1 / t2-t1
r (1) = (4.1²) i + (6.1 - 2) j
r (1) = 4i + 4j
r (2) = (4.2²) i + (6.2-2) j
r (2) = 16i + 10j
Δr = (16i+10j) - (4i+4j) >> 12i + 6j
Karena masi dalam bentuk i dan j maka berlaku rumus ini : √12²+6² >> √144+36 >> √180 >> √4.9.5 >> 6√5 m
v.rata-rata = Δr/Δt >> 6√5 / 3-1 >> 6√5/2 >> 3√5 m/s