Use the formula is Q = m x c x AT for the problem below. What is the HEAT (Q) if the mass is 200 kg and the specific heat is 4181 J/(kg X °C), and there is a change in
temperature from 20°C to 25°C.

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Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?

The ozone hole appears in antarctica during

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.