16.7
Explanation:
Given parameters:
Force applied to Jack = 120N
Force produced by Jack = 2000N
Unknown:
Mechanical advantage of jack = ?
Solution:
Mechanical advantage is the ratio of force produced by the device and the force applied on it.
It is used to access the performance of a machine.
M.A = \frac{force output}{force input}
Now input the parameters;
M.A = 
M.A = 16.7
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Answer is Manganese(ii) chloride
To answer this, you need to know the charges for both Mn and Cl
Mn is in the transition metal category and is unique with having 3 levels of charges
manganese - MN
Manganese(ii) - Mn^2+
Manganese(iii) - Mn^3+
Cl is a nonmetal with the standard charge of Cl^-1
Since you have two charges that don't cancel out, they get switched.
So Cl would receive a positive 2. Because it was a positive 2, we can assume that it starts with Manganese(ii). Then we add chloride to the end of it as it ends with Cl.
Answer:
c ammonium hydroxide nh4oh has higher ph value and its a base
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Answer:
hi i don't know the answer to this
