Chef Selena is making her special dish that requires pasta, sauce, and onions. She has 518 pounds of pasta, 6 pounds of sauce, a
1 answer:
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To solve this we are going to use the formula fro the force applied to a spring: 
where
is the spring constant
is the extension
Since we know the
, we can replace that in our formula and solve for 
:
where
is the acceleration
is the spring constant
is the extension
is the mass
We know for our problem that
, 
, and 
. So lets replace those values in our formula to find :
We can conclude that the acceleration of the block when s=0.4m is
.
where
Since we know the
where
We know for our problem that
We can conclude that the acceleration of the block when s=0.4m is
Answer:
Joint variation says that:
if and
then the equation is in the form of:
, where, k is the constant of variation.
As per the statement:
If x varies jointly as y and z
then by definition we have;
......[1]
Solve for k;
when x = 8 , y=4 and z=9
then
Substitute these in [1] we have;
⇒
Divide both sides by 36 we have;
Simplify:
⇒
to find z when x = 16 and y = 6
Substitute these value we have;
⇒
Multiply both sides by 9 we have;
Divide both sides by 12 we have;
12 = z
or
z = 12
Therefore, the value of z is, 12