active physics

Popular questions
  1. active physics

    a=change in velocity/time, is this the formula i use for this question: a car takes 5 seconds to speed up from 10 m/s to 60 m/s. what is the acceleration? yes! so what do i do from there? If it goes from 10 to 60, what is it's CHANGE in velocity (speed)?

    asked by alejandra on November 2, 2006
  2. Active physics

    How much hear must be added to 1.5kg of water at -25degC to raise it up to 119degC?

    asked by Alicia on May 9, 2011
  3. active physics

    a 25 mewton force pushes against a 5 kg. mass. what is the acceleration??? what formula do i use?? F=ma

    asked by alejandra on November 2, 2006
  4. active physics

    from the question we just did, how much force is neede to stop in 20 seconds! OK. think it through. If it's going at 10 m/s, and then it stops, what is it's change in velocity? is it 10 Yes, now it takes 20 seconds, so what is its acceleration (actually

    asked by alejandra on November 2, 2006