If the mine winch drum diameter is 4,5 calculate how far the counterweight will lift for each single rotation of the drum use th
1 answer:
The counter weight lifted in each rotation of drum is 14.13m
The diameter of drum is: d = 4.5m
We know that in a winch there's cable that's connected from the weight to be lifted to the drum, around which it's rolled. So the distance the counterweight is lifted corresponds to the circumference of the drum. The expression to calculate the counter weight lifted in every single rotation of the drum is given by,
= C = πd
Substituting the value of 'd' in the above expression
C = 22/7 x 4.5
C = 14.13m
Thus, the counter weight lifted in each rotation of drum is 14.13m
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Answer:
x : y = 9 : 13
Step-by-step explanation:
Given that
3x - y : x + 2y = 2 : 5
Express the ratio in fractional form, that is
=
( cross- multiply )
5(3x - y) = 2(x + 2y) ← distribute parenthesis on both sides )
15x - 5y = 2x + 4y ( subtract 2x from both sides )
13x - 5y = 4y ( add 5y to both sides )
13x = 9y ( divide both sides by 13 )
x = y ( divide both sides by y )
=
, that is
x : y = 9 : 13