Question

Which one of the following physical quantities has S.I unit m)s ?
1) acceleration 2) velocity 3)Density 4) force

Answer 1

The physical quantity whose SI unit is m/s is speed or velocity.

Hope that this was helpful :)

Answer 2

Acceleration is m/s^2 ( meter per second square)
Velocity is m/s (meter per second )
Density is kg/m^3 ( kilogram per cubic meter)
Force is N ( newton )
Hope it is clear enough