# Physical Science

What is the equation of time, velocity, distance , Momentum and the SI units.

 Perito Posts: 3,139, Reputation: 781 Ultra Member #2 Feb 22, 2009, 09:02 PM

There are a lot of equations that relate time, velocity, distance, momentum. The equations contain variables in various units. For example

time - second
velocity - meters/second
distance or length - meter
momentum - this is a derived SI unit - Newton-second

Now, how you put them together depends on what you're trying to achieve. For example, the time to travel some distance

D = V x T where D is the distance, V is the velocity, T is the time
The units you express V and T in will determine D. For example, if V is miles/hr and T is hrs, D will be in miles. Miles can be converted to meters or kilometers, time can be converted to seconds.

This is the best I can do with what you asked. If you need more help, plese ask.
 Shelesh Posts: 55, Reputation: 19 Junior Member #3 Feb 23, 2009, 10:35 AM

velocity = distance * time

work out from the equation above to find time and distance

momentum = mass * velocity

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