State how much energy is transferred in each of the following cases: 2 grams of steam at 100 degrees celsius condenses to water at 100 degrees celsius.
2 grams of boiling water at 100 degrees celsius cools to ice water at 0 degrees celsius.
2 grams of ice water at 0 degrees celsius freezes to ice at 0 degrees celsius.
2 grams of steam at 100 degrees celsius turns to ice at 0 degrees celsius.
Answers: 2
Physics, 21.06.2019 22:30, tladitidimatso1783
A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?
Answers: 1
Physics, 22.06.2019 01:20, slimgemmx
An engineer designs a roller coaster so that a car travels horizontally for 152 ft, then climbs 137 ft at an angle of 34.0° above the horizontal. it then moves 137 ft at an angle of 48.0° below the horizontal. if we take the initial horizontal motion of the car to be along the +x-axis, what is the car's displacement? (give the magnitude of your answer, in ft, to at least four significant figures and give the direction of your answer in degrees counterclockwise from the +x-axis.)
Answers: 1
State how much energy is transferred in each of the following cases: 2 grams of steam at 100 degree...
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