You mix baking soda and vinegar in an open container and the mass after the
reaction is less than the mass at the start. Which of the following is the best
explanation for this?
Some of the mass was lost as a gas
Some of the mass was destroyed in the reaction
The reaction caused the particles to shrink and become lighter
Answers: 1
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The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage
Answers: 2
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The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.
Answers: 3
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What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 ∘c/m.
Answers: 3
Physics, 23.06.2019 02:00, em387p3s1zr
Athird point charge q3 is now positioned halfway between q1 and q2. the net force on q2 now has a magnitude of f2,net = 5.861 n and points away from q1 and q3. what is the value (sign and magnitude) of the charge q3?
Answers: 2
You mix baking soda and vinegar in an open container and the mass after the
reaction is less than...