Question

What is the SI unit of speed and time​

Answer 1

Answer:

second

Speed and velocity are both measured using the same units. The SI unit of distance and displacement is the meter. The SI unit of time is the second. The SI unit of speed and velocity is the ratio of two — the meter per second .

Answer 2

Answer:

second

Explanation:

metre per second

Speed has the dimensions of distance divided by time. The SI unit of speed is the metre per second, but the most common unit of speed in everyday usage is the kilometre per hour or, in the US and the UK, miles per hour.The distance in km and the time in h - so the units for speed are km/h. Another suitable metric unit for speed is metres per second. Using metres per second would be suitable when measuring short distances and short periods of time