physics

posted by .

A moving car has kinetic energy.
If it speeds up until it is going four times
faster than before, how much kinetic energy
does it have in comparison?
1. The mass is needed.
2. The same
3. Sixteen times larger
4. Four times smaller
5. Four times larger
6. Sixteen times smaller

  • physics -

    sixteen times larger

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Univ-Phys

    One car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 5.0m/s, they then have the same kinetic energy. What were the original speeds of the two cars?
  2. Physics

    Two cars are moving. The first car has twice the mass of the second car but only half as much kinetic energy. When both cars increase their speed by 4.54 m/s, they then have the same kinetic energy. Calculate the original speeds of …
  3. Physics kinetic energy

    Okay the equation for kinetic energy is = 1/2mv^2 so how would i figure this out?
  4. Physics

    How much kinetic energy does a 1 kg ball have if it has a velocity of 10 m/s?
  5. physics

    6. You have kinetic energy when you run. If you run three times as fast, you'll have a kinetic energy ____________________. A) 3 times as much. B) 6 times as much. C) 9 times as much. D) that is the same. E) None of these.
  6. physics

    7. Two cars are moving. The first car has twice the mass of the second car, but only half as much kinetic energy. Then, both cars increase their speed by 8.00 m/s. They then have the same kinetic energy. The original speeds of the …
  7. Physics

    Two cars are moving. The first car has twice the mass of the second car, but only half as much kinetic energy. Then, both cars increase their speed by 8.00 m/s. They then have the same kinetic energy. The original speeds of the two …
  8. Chem please help

    An object A has half the mass and twice the velocity of object B. How are the kinetic energies of A and B related?
  9. science

    Two identical masses are moving down a slope. One mass is traveling twice as fast as the other mass. How does the kinetic energy of one mass compare to the other?
  10. science

    Two identical masses are moving down a slope. One mass is traveling twice as fast as the other mass. How does the kinetic energy of one mass compare to the other?

More Similar Questions