Jawaban:
Dik :
v1 (kecepatan 1) = 90 km/jam
v2 (kecepatan 2) = 36 km/jam
t (waktu) = 6 sekon
F menghentikan mobil = 3200 N
Dit : massa mobil = .....kg?
Jawaban :
Kita cari terlebih dahulu percepatan mobil :
90 km/jam = 90(1000) ÷ 3600 = 90.000÷3600 = 25 m/s
36 km/jam = 36(1000) ÷ 3600 = 36.000 ÷ 3600 = 10 m/s
Rumus :
�
=
1
−
2
a=
s
v1−v2
25
10
6
25−10
15
a= 2,5 m/s²
massa mobil?
rumus
F (gaya) = m (massa) × a (percepatan)
F = m×a
3200 N = m × 2,5m/s²
3200
,
5
2,5
=m
m = 1280 kg
Penjelasan:
v2 (kecepatan 2) = 36 km/ja
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Verified answer
Jawaban:
Dik :
v1 (kecepatan 1) = 90 km/jam
v2 (kecepatan 2) = 36 km/jam
t (waktu) = 6 sekon
F menghentikan mobil = 3200 N
Dit : massa mobil = .....kg?
Jawaban :
Kita cari terlebih dahulu percepatan mobil :
90 km/jam = 90(1000) ÷ 3600 = 90.000÷3600 = 25 m/s
36 km/jam = 36(1000) ÷ 3600 = 36.000 ÷ 3600 = 10 m/s
Rumus :
�
=
�
1
−
�
2
�
a=
s
v1−v2
�
=
25
−
10
6
a=
6
25−10
�
=
15
6
a=
6
15
a= 2,5 m/s²
massa mobil?
rumus
F (gaya) = m (massa) × a (percepatan)
F = m×a
3200 N = m × 2,5m/s²
3200
2
,
5
=
�
2,5
3200
=m
m = 1280 kg
Penjelasan:
Dik :
v1 (kecepatan 1) = 90 km/jam
v2 (kecepatan 2) = 36 km/ja