Kalkulator Kelajuan
Kira kelajuan, jarak atau masa menggunakan v = d / t. Tukar antara mph, km/j, m/s, knot dan ft/s. Penyelesaian langkah demi langkah disertakan.
Kira
Choose a calculation type, enter your values, and click Calculate Now to see speed, distance, or time with step-by-step solutions.
Hasilnya
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Penyelesaian Langkah demi Langkah
Panduan Pengguna Lengkap
Apakah Kelajuan?
Kelajuan ialah kadar di mana objek menempuh jarak. Ia dikira sebagai jarak dibahagikan dengan masa: v = d / t. Kalkulator ini membolehkan anda menyelesaikan mana-mana tiga pembolehubah (kelajuan, jarak, masa) dan juga menukar antara unit kelajuan biasa.
Key Formulas
Kelajuan: v = d / t
Jarak: d = v × t
Masa: t = d / v
v = speed, d = distance, t = time
4 Calculation Types
Kelajuan
Enter distance and time to find speed.
Jarak
Enter speed and time to find distance.
Masa
Enter speed and distance to find time.
Tukar
Convert between mph, km/h, m/s, knots, ft/s.
Common Speed Conversions
| daripada | Kepada | Faktor |
|---|---|---|
| 1 km/h | mph | × 0.621371 |
| 1 mph | km/h | × 1.60934 |
| 1 m/s | km/h | × 3.6 |
| 1 knot | km/h | × 1.852 |
| 1 ft/s | mph | × 0.681818 |
Contoh Pengiraan
• Kelajuan: 100 km in 2 hours → v = 100 / 2 = 50 km/h
• Jarak: 60 km/h for 3 hours → d = 60 × 3 = 180 km
• Masa: 300 km at 100 km/h → t = 300 / 100 = 3 hours
Nota Penting
- Speed is scalar (magnitude only). Velocity includes direction.
- Average speed = total distance / total time.
- Distance and time must be greater than zero.