Two rods of copper and aluminum each of length 50cm are placed in contact end to end the sides of the rods are insulated. the other side of the copper rod is at 80°c and the aluminium is at10°c. what is the temperature at the junction. calculate the rate of heat conduction alond the coper

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?

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1700 j of energy is lost from 0.14 kg object , the temperature decreases from 50°c to 45°c what is the specific heat of this object, amd what is the material ?