# physics

i have two kinetic energies and my homework asks for the ratio, K2/K1
Do i just divide them?

1. Yes.

posted by bobpursley
2. THANK YOU AGAIN BOBPURSLEY LOL

posted by quick question

## Similar Questions

Sorry for re-posting but I really need to know if I did it right. Please someone help! Two 3.0g bullets are fired with speeds of 40.0 m/s and 80.0 m/s respectively. What are their kinetic energies? Which bullet has more kinetic

Two 3.0g bullets are fired with speeds of 40.0 m/s and 80.0 m/s respectively. What are their kinetic energies? Which bullet has more kinetic energy? What is the ratio of their kinetic energies? I got 60 for the first bullet and
3. ### Physics-Kinetic energy

Two 2.0 g bullets are fired with speeds of 40.0 m/s and 80.0 m/s, respectively. What are their kinetic energies? Which bullet has more kinetic energy? What is the ratio of their kinetic energies? A car has kinetic enery of 4.32*
4. ### physics

two identical objects move with speeds of 5.0 m s and 25.0 m s. What is the ratio of their kinetic energies?
5. ### Science

Two balls of equal masses roll with velocities v and 4v,respectively .What is the ratio of their Kinetic Energies?
6. ### science

You know that a collision must be "elastic" if: The momentum of the two-object system doesn't change The sum of the final kinetic energies equals the sum of the initial kinetic energies There is no change in the internal energies
7. ### science

Calculate the ratio of kinetic energies of 3gms of hydrogen and 4gms of oxygen at a given temperature
8. ### Physics

A pickup truck (2268 kg) and a compact car (1100 kg) have the same momentum. If the same horizontal net force were exerted on both vehicles, pushing them from rest over the same distance, what is the ratio of their final kinetic
9. ### Physics

One ball has 7 times the mass and twice the speed of another. 1. How does the momentum of the more massive ball compare to the momentum of the less massive one? Find the ratio of the momenta. 2. How does the kinetic energy of the
10. ### Physics

a) What is the ratio of the momentum of a 3kg mass moving at 3 m/s to that of a 2 kg mass moving at 4 m/s? b) What is the ratio of the respective kinetic energies? Help ASAP please!! Step by step to get the answers

More Similar Questions