Physics, 26.11.2019 22:31 kathlynskare06
One kilowatt-hour (kwh) is the amount of work or energy generated when one kilowatt of power is supplied for a time of one hour. a kilowatt-hour is the unit of energy used by power companies when figuring your electric bill. determine the number of joules of energy in one kilowatt-hour.
Answers: 2
Physics, 21.06.2019 14:10
Amachinist needs to remove a tight fitting pin of material a from a hole in a block made of material b. the machinist heats both the pin and the block to the same high temperature and removes the pin easily. what statement relates the coefficient of thermal expansion of material a to that of material b? a) the situation is not possible, heating block b will shrink the hole in the material as the material expands with increasing temperatureb) material b has the same coefficient of expansion as does material ac) material b has a negative coefficient of expansion and a has a positive coefficient of expansiond) material a has a greater coefficient of expansion than does material be) material b has a greate
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Physics, 22.06.2019 23:00
The gun from the crime scene shows tool marks where the serial numbers are ground off. there are also tool marks on the bullets left behind. what information can the tool marks on the bullets and gun provide about the crime? what type of evidence does this information provide, individual or class?
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Physics, 22.06.2019 23:00
During the past 150 years in the united states, how did energy consumption compare to population growth
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One kilowatt-hour (kwh) is the amount of work or energy generated when one kilowatt of power is supp...
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