Physics, 16.07.2019 11:00 oylermorgan7687
The specific heat capacity of aluminum is 0.22 cal/g°c. how much energy needs to flow into 20.0 grams of aluminum to change its temperature by 15°c? 0.017 cal 0.29 cal 66 cal 1363 cal
Answers: 1
Physics, 22.06.2019 01:00
An object is 10 cm from the mirror, its height is 1 cm and the focal length is 5 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1 -1 +10 -10
Answers: 3
Physics, 22.06.2019 08:40
Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?
Answers: 1
Physics, 22.06.2019 11:50
Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?
Answers: 2
The specific heat capacity of aluminum is 0.22 cal/g°c. how much energy needs to flow into 20.0 gram...
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