Four small 0.2 kg spheres, each of which you can regards as a point mass, are arranged in a square 0.400 m on a side and connected with very light rods with negligibly small mass. find the moment of inertia of the system about an axis through the center of the square, perpendicular to its plane at point o. enter the result in units kg*m/s2.

Calculate the amount of heat produced when 18000 coulombs of charge is transferred in one hour through a potential difference of 50v

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors

Explain why you think this diagram shows what happened to the carbon in the biodome.