A bucket of cement of mass 40kg is
tied to the end of a rope connected to a
hoist. Calculate...
Physics, 28.02.2021 01:40 raeprince9213
A bucket of cement of mass 40kg is
tied to the end of a rope connected to a
hoist. Calculate the force applied on the rope
when the bucket is suspended but stationary.
Answers: 1
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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 30.0°c to 8.0°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 δt is the observed temperature change. if the specific heat of liquid water is 4.19 j/g·°c, how much energy was absorbed by the reaction?
Answers: 3
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