Mathematics, 04.07.2019 14:00, fireman59937
In a practical machine, the power output is smaller than the power input. considering the law of energy conservation, what can explain this occurrence? a. some of the energy going into the machine is being destroyed. b. some of the energy is used to combat friction, and thus is transformed from mechanical energy to heat. c. some of the energy going into the machine is being created at a quicker rate than the energy coming out is being destroyed. d. some of the energy coming out of the machine is being destroyed.
Answers: 2
Mathematics, 21.06.2019 16:10, cuppykittyy
The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82
Answers: 2
In a practical machine, the power output is smaller than the power input. considering the law of ene...
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