Physics, 23.01.2020 22:31 gunnatvinson
The aluminum block is initially at a temperature of 300 k. it is then brought into contact with 1 mole of gas particles at a temperature of 400 k and constant volume. after some time, the block and the gas thermalize to a common final temperature of 362 k. of which of the following substances could the gas be composed? a. nh3 b. h2 c. ar
Answers: 1
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How many seconds does it take a pebble released from rest off a bridge to fall 29.4 m ? what is the pebble's speed when it has fallen 29.4 m ?
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Physics, 22.06.2019 08:00
5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.
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Physics, 22.06.2019 10:00
There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.
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Physics, 22.06.2019 11:40
Consider the following position function. find (a) the velocity and the speed of the object and (b) the acceleration of the object. bold r left parenthesis t right parenthesisr(t)equals=left angle 6 t superscript 4 baseline comma 2 t cubed right angle6t4,2t3 for tgreater than or equals≥0
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The aluminum block is initially at a temperature of 300 k. it is then brought into contact with 1 mo...
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