a steel container full of steel is pulled upwards against an incline of 30° by a tractor the mass of steel container is 1,2 tons. the pulling force of the rope forms an angle of 15°with the incline. the coefficient of friction between the surface in contact is 0,3 calculate the tensile force in the rope​

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Which of these is constant for all types of electromagnetic radiation in a vacuum? select one: a. wavelength b. frequency c. photon energy d. amplitude e. velocity

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.