Physics, 11.03.2020 18:38 AJSkullcrusher
(1 point) A cone is to be built from stone so that it has height 10 feet and a base with radius 4. (The base of the cone will lie on the floor.) Suppose the density of the stone used to make the cone is 70 lb/ft3. Calculate the work required to build the cone from the ground up.
Answers: 1
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Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)
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Physics, 22.06.2019 14:40
Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?
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The lift raises a car of mass 850 kg to a height of 2.1 m. it uses a force of 8330 n and takes 4 seconds to raise the car. what is the power of the lift?
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Physics, 23.06.2019 20:50
Lexi is balancing equations. she is finding one equation to be very difficult to balance. which explains how to balance the equation znso4 + li2co3 → znco3 + li2so4?
Answers: 3
(1 point) A cone is to be built from stone so that it has height 10 feet and a base with radius 4. (...
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