Answer the following question and make sure to give a full description to how you got your answer (ex. make sure to use blank rule in order to get blank answer) urgent
a car of mass 1800 kg moving with a speed at 90 km/hr is brought to rest by the application of disc brakes. find the average increase in temperature if the brakes if each of the four brakes has a mass of 4.5 kg. take the specific heat capacity of the brake material to be 680 j/kg degree c, and assume that all the kinetic energy, 562.5 kj, is changed into heat energy in the brakes.
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Physics, 21.06.2019 16:30
Ared apple is illuminated by a blue light the apple will appear
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Physics, 22.06.2019 09:00
Inside of a windmill or a dam is a that is used to transform one type of energy into electrical energy. a. motor b. generator c. transformer d. power pack
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Physics, 22.06.2019 16:30
Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?
Answers: 3
Physics, 22.06.2019 18:30
Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions
Answers: 1
Answer the following question and make sure to give a full description to how you got your answer (e...
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