A student builds three Class 1 levers. Lever A has an effort arm of 2 m and a load arm of 3 m. Lever B has an effort arm of 1.5 m and a load arm of 3.5 m. Lever C has an effort arm of 4 m and a load arm of 1 m. Which lever has the largest mechanical advantage? Show your work.
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Chemistry, 22.06.2019 10:50
8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm
Answers: 1
Chemistry, 22.06.2019 14:20
Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull
Answers: 1
A student builds three Class 1 levers. Lever A has an effort arm of 2 m and a load arm of 3 m. Lever...
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