PHYSICS

posted by .

explorers in the jungle find an ancient monument in the shape of a large isosceles triangle. the monument is made from tens of thousands of small stone blocks of density 3 800 kg/m^3. the monument is 15.7 m high and 64.8 m wide as its base and is everywhere 3.6m thick from front to back. before the monument was built many years ago all the stone blocks lay on the ground. how much work did laborers do on the block to put them in position while building the entire monument? note the gravitational potential energy of an object-earth systen is give by Ug=Mgycm where M is the total mass of the object and ycm is the elevation of its center of mass above the chosen reference level

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. social studies

    Ways to protect the monument Which monument?
  2. Algebra

    A surveyor is standing 115 feet from the base of the Washington Monument. The sureyor measures the angle of elevation to the top of the monument as 78.3. How tall is the Washington Monument?
  3. Geometry

    A park maintenance person stands 23 m from a circular monument. If you assume her lines of site are tangents to the monument and make an angle of 23degrees, what is the measure of the monument that her lines of site intercect?
  4. geometry

    A park maintenance person stands 16 m from a circular monument. Assume that her lines of sight form tangents to the monument and make an angle of 47°. What is the measure of the arc of the monument that her lines of sight intersect?
  5. math

    mr.hemley stands next to the Illionis centennial monument at logan square chicago and casts a shadow that is 18 ft long. The shadow of the monument is 204 ft tall, how tall is the monument?
  6. early trig

    A monument stands on level ground. The angle of elevation of the top of the monument, taken at a point 425 feet from the foot of the monument, is 32º. Find the height of the monument to the nearest foot.
  7. geometry

    A monument in the form of a marble cylinder has a circular base with a radius of 1.5 meters. The altitude of the monument is 3.5 meters. How many cubic meters of marble does this monument contain?
  8. Art

    This American monument was inspired by Ramses’ Abu Simbel. Washington Monument Mount Rushmore Statue of Liberty Lincoln Monument
  9. math trig

    A TOWER AND A MONUMENT STAND ON A LEVEL PLANE.THE ANGLES OF DEPRESSION OF THE TOP AND BOTTOM OF THE MONUMENT VIEWED FROM THE TOP OF THE TOWER ARE 13DEGREE AND 31 DEGREE,RESPECTIVELY;THE HEIGHT OF THE TOWER IS 145 FT. FIND THE HEIGHT …
  10. Math

    A monument consists of two cubical blocks of granite, the smaller resting on the larger. The total height of the monument is 5 feet, and the area of the exposed surface is 61 square feet. Find the dimensions of the blocks. Help please>.< …

More Similar Questions