, 24.07.2019 14:30 fendyli6066

An object has a relativistic momentum that is 7.1 times greater than its classical momentum. what is its speed? express the answer using two significant figures.

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The energy released by a chemical reaction can be measured using a calorimeter. when barium hydroxide octahydrate crystals are reacted with dry ammonium chloride inside of a coffee cup calorimeter, the temperature of the 18.00 g of water in the calorimeter decreases from 30.0Â°c to 8.0Â°c. the equation for calculating energy absorbed or released by a reaction is: where q is the energy released or absorbed, m is the mass of water in the calorimeter, cp is the specific heat of water, and Î´t is the observed temperature change. if the specific heat of liquid water is 4.19 j/gÂ·Â°c, how much energy was absorbed by the reaction?