Question

The basic unit of speed is
1. km/min
2. m/s
3. m/min
4. km/h

Answer 1

Correct Answer - Option 2 : m/s

The correct answer is m/s.

• The rate of change of distance with time is called speed.
• In everyday life kilometres per hour or in countries like the United States and United Kingdom miles per hour are used as the unit of speed.
• The SI Unit of speed is meter per second or m/s or m.s^-1.
• The Dimensional Formula of Speed is M⁰.L¹.T^-1.
• Some other units of speed are as follows:
  • Miles per hour
  • Rev
  • Rpm
  • Light-year
  • Knots
  • Kilometers per hour
  • Meters per second
  • Feet per second
  • Mach.