Physics, 14.11.2019 19:31 johnross17
A61 kg engineer leaves her office on the 33rd floor of a skyscraper and takes an elevator up to the 59th floor. later she descends to street level. the engineer takes the zero of potential energy at street level and the distance from one floor to the next is 3.5 m .
what is the engineer's potential energy in her office?
Answers: 3
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A6,600 kg train car moving at +2.0 m/s bumps into and locks together with one of mass 5,400kg moving at -3.0m/s. what is their final velocity? +0.50 m/s -1.0 m/s +2.5 m/s -0.25 m/s
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Physics, 22.06.2019 00:30
Ablock of steel has a density of 0.29lbs per cubic inch. if the block has dimensions of 1 inch by 1 inch by 3 inches, what is its weight? a. 0.29lbs b. 0.58lbs c. 0.87lbs d. 1lbs
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Physics, 22.06.2019 15:00
10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!
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A61 kg engineer leaves her office on the 33rd floor of a skyscraper and takes an elevator up to the...
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