Physics, 26.08.2019 16:30 amakayla57
How many joules are needed to raise the temperature of 1 kg of gypsum plaster by 1°c? how many joules are needed to raise 1 kg of oak to the same temperature? if identical, steady fires were burning in identical rooms, except that one room is lined with wood and one room is lined with gypsum plaster, in which room would the walls tend to be hotter? (assume that the walls themselves are not
Answers: 2
Physics, 22.06.2019 15:00
A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?
Answers: 2
Physics, 22.06.2019 17:40
A15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25°c to 175°c. what is the specific heat capacity of iron?
Answers: 1
Physics, 23.06.2019 01:00
The amount of heat required to change liquid water to vapor at its boiling temperature is 2256 kj/kg. the amount of heat required to change liquid mercury to its vapor state at its boiling temperature is 295 kj/kg. one kg of each substance is currently at its boiling point. how will the amount of thermal energy required to change each substance from a liquid to a gas differ?
Answers: 3
How many joules are needed to raise the temperature of 1 kg of gypsum plaster by 1°c? how many joul...
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