physics

posted by .

if a car has the 800 joules of potential energy while sitting on a hill that is sloped 6meters of the ground, what is the mass of the car

  • physics -

    PE = mgh
    m=PE/gh= 800/6•9.8= 13.61 kg

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Physics

    A 2.0 x 103 kg car is pulled 345 m up a hill that make s an angle of 15° with the horizontal. What is the potential energy of the car at the top of the hill?
  2. Physics

    A 2.0 x 103 kg car is pulled 345 m up a hill that make s an angle of 15° with the horizontal. What is the potential energy of the car at the top of the hill?
  3. Physics

    A 2.0 x 103 kg car is pulled 345 m up a hill that make s an angle of 15° with the horizontal. What is the potential energy of the car at the top of the hill?
  4. physics

    4. An 800.0 kg roller coaster car is at rest at the top of a 95 m hill. It rolls down the first drop to a height of 31 m. When it travels to the top of the second hill, it is moving at 28 m/s. It then rolls down the second hill until …
  5. Physics

    A roller-coaster car with a mass of 650 kg starts at rest from a point 28 m above the ground. At point B, it is 14 m above the ground. [Express your answers in kilojoules (kJ).] (a) What is the initial potential energy of the car?
  6. Physics

    a frictionless roller coaster car of mass m = 719 kg tops the first hill with speed v0 = 15.2 m/s at height h = 48.9 m. How much work does the gravitational force do on the car from that point to (a) point A, (b) point B, and (c) point …
  7. PHYSICS

    An 800.0 kg roller coaster car is at rest at the top of a 95 m hill. It rolls down the first drop to a height of 31 m. When it travels to the top of the second hill, it is moving at 28 m/s. It then rolls down the second hill until …
  8. physics

    A car (mass = 860 kg) is at rest on the top of a tall hill. the car rolls down the hill and at the bottom, reaches a top speed of 19 m/s. A) find the force of gravity on the car 560 x 9.8 = 5488 N B) find the work done by gravity on …
  9. physics

    In compressed state, a spring 3.00 meters long hanging from the ceiling has a potential energy of 2.0 joules. If the entire potential energy is used to release a ball of mass 1.2 kilograms vertically downward, then what is the kinetic …
  10. physics 12U

    A driver parks his car on a hill but accidently leaves it in neutral. The car starts from rest and accelerates down the 45 m long hill. It take the car 12.3 seconds to reach the bottom of the hill. a) What is the final velocity of …

More Similar Questions