Physics, 21.09.2019 23:30 mdngndntbdnbd
When a system is heated, heat is by the system. the amount of heat added is given a sign. when a system is cooled, heat is by the system. the amount of heat is given a sign. if a gas expands, it must push the surrounding atmosphere away. thus, work is done the system and is given a sign. if a gas is compressed, then work is done the system. this work is given a sign.
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Physics, 21.06.2019 22:30
Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?
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Physics, 22.06.2019 00:10
The summit of chimborazo, in ecuador, which is at a distance of about 6,384 km from the earthβs center. the bottom of the mariana trench, in the western pacific ocean, which is nearly 6,370 km from the center of the earth. on the surface of earth on the equator line.
Answers: 2
Physics, 22.06.2019 09:10
Which lists the organs in the correct order as food passes from the mouth to anus?
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Physics, 22.06.2019 11:20
If a rock is thrown upward on the planet mars with a velocity of 12 m/s, its height (in meters) after t seconds is given by h = 12t β 1.86t2. (a) find the velocity of the rock after two seconds. m/s (b) find the velocity of the rock when t = a. 12β3.72a m/s (c) when will the rock hit the surface? (round your answer to one decimal place.) t = s (d) with what velocity will the rock hit the surface? m/s
Answers: 1
When a system is heated, heat is by the system. the amount of heat added is given a sign. when a s...
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