2024年6月20日 · 40 km/h is approximately 24.85 mph. Related questions. What is 40 yards in 6.06 seconds in mph? ... If the 40 is meters and the 4.9 is seconds, thenyour speed is about 29.4 km/hr or 18.26 mph ...

2024年11月2日 · The time it takes to walk 1.5 km depends on the individual's walking speed. On average, a person walks at a pace of about 5 km/h, which translates to 12 minutes per kilometer. Therefore, to walk 1 ...

2023年8月29日 · When flying in government transports to McMurdo Station from Christchurch, New Zealand, the C-17 Globemaster aircraft, speced at Mach 0.76 (450 knots, 515 mph, 830 km/h) takes about five hours to ...

2024年5月20日 · On average, the speed of sound is around 343 meters per second (1235 km/h) in air, while the speed of a bullet can range from about 300 to 1500 meters per second.