physics!!!

a sled and rider with a combined weight of 60kg are at rest on top of a hill 12m high.what is the total energy at the top of the hill?

  1. 👍
  2. 👎
  3. 👁
  1. Gravitational potential energy= mass*g*height.
    g is 9.8N/kg

    1. 👍
    2. 👎
    👤
    bobpursley
  2. 7.1x10^3

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physics

    A sled starts from rest at the top of a hill and slides down with a constant acceleration. At some later time it is 14.4 m from the top; 2.00 s after that it is 25.6 m from the top, 2.00 s later 40.0 m from the top, and 2.00 s

  2. physics

    A sled slides without friction down a small, ice-covered hill. If the sled starts from rest at the top of the hill, its speed at the bottom is 7.60 m/s. What is the height of the hill?

  3. Science

    You are pushing a friend on a sled. You push with a force of 20N. Your friend and the sled together have a mass of 60kg. Ignoring friction, what is the acceleration of your friend on the sled?

  4. Science

    A sled is at rest at the top of a 2 m high slope. The sled has a mass of 45 kg. What is the sled's potential energy?

  1. PHYSICS

    Jamal pulls a 150-N sled up a 28.0 degrees slope at constant speed by a force of 100 N. Near the top of the hill he releases the sled. With what acceleration does the sled go down the hill?

  2. physics

    A child and sled with a combined mass of 50.0 kg slide down a frictionless slope. If the sled starts from rest and has a speed of 3.40 m/s at the bottom, what is the height of the hill?

  3. Science

    A sled and rider with a combined weight of 59 kg are at rest on the top of a hill 24 m high. (a) What is their total energy at the top of the hill? (b) Assuming there is no friction, what would the total energy be on sliding

  4. AP physics

    A child on a sled reaches the bottom of a hill with a velocity of 10.0m/s and travels 25.0m along a horizontal straightaway to a stop. If the child and sled together have a mass of 60kg, what is the average retarding force on the

  1. Physics

    Exercise 1: a) What is the apparent weight for a roller coaster rider at the bottom of a loop vs at the top of a loop? b) What is the min speed the car must pass along the loop so that the rider does not fall out while upside down

  2. Physics

    A girl is sledding down a slope that is inclined at 30º with respect to the horizontal. The wind is aiding the motion by providing a steady force of 131 N that is parallel to the motion of the sled. The combined mass of the girl

  3. science

    you pull a sled with a package on it across a snow-covered flat lawn. If you apply a force of 65.1 N to the sled, it accelerates at 1.24m/s^2.what is the combined mass of the package and the sled? (assume there is no friction.)

  4. physics

    A rocket-driven sled running on a straight, level track has been used to study the physiological effects of large accelerations on astronauts. One such sled can attain a speed of 440 m/s in 1.9 s starting from rest. What is the

You can view more similar questions or ask a new question.