Physics, 20.11.2020 14:00 saltytaetae
A mason stretches a string between two points 70 ft apart on the same level with a tension of 20 lb at each end. If the string weighs 0.18 lb, determine the sag h at the middle of the string.
Answers: 1
Physics, 21.06.2019 17:30
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j ?
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Physics, 21.06.2019 23:30
If 21.2 kcals of energy is released by this reaction, how many kj does the reaction release? (1 cal 4.184 j)
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Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.
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Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?
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A mason stretches a string between two points 70 ft apart on the same level with a tension of 20 lb...
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