What is SI unit of speed​

m/s

Explanation:

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.

m/s

which is also written as

ms-¹

The above mentioned symbols are said as 'meter per second'

hope it helps!

explanation:

the masses of the objects and the distance between them

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this