Consider a rectangle block of mass 400g has a length of 10cm, a width of 5cm and a breadth of 2cm. Calculate the pressure acting on each face.
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Ответ:
Pressure is defined through the equation:
P
=
F
A
where
F
is the force in newtons, and
A
is the area in
m
2
.
So, we got the rectangular block with dimensions
30
cm
by
5
cm
by
10
cm
, or if we write this in meters, it is
0.3
m
by
0.05
m
by
0.1
m
.
Since the force is constant, we can let
F
=
k
, and we have
P
=
k
A
Therefore, pressure is inversely proportional to area, i.e. bigger area equals less pressure, smaller area equals bigger pressure.
So, we would want to apply the force on the face of the block with the smallest dimensions if we want to find the largest pressure, i.e. that is
Ответ:
C.Simon is correct because even though the input values are opposite in the reflected function, any real number can be an input.
Step-by-step explanation:
The domain of a function is all the values that can be put into the independant variable in order to value the dependant value, this basically means that the domain is all the values that you can give to the "x", and since you can put any value into the "x"the domain of that function is all the real numbers.