Physics, 27.12.2019 14:31 kobiemajak
At the freezing point the particles in a object have no kinetic energy. true or false and what's the answer if false?
Answers: 1
Physics, 22.06.2019 14:00
If element x has 99 protons how many electrons does it have
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Physics, 22.06.2019 21:00
On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?
Answers: 3
Physics, 22.06.2019 22:00
On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2.
Answers: 2
At the freezing point the particles in a object have no kinetic energy. true or false and what's the...
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