The energy of matter in motion is kinetic energy.
To answer this problem, let's call:
P: monthly budget
Electricity expenditure
Consumption of household appliances.
Consumption of kitchen appliances.
We know that:
Then, if :
Finally:
€
The entire budget was € 1,600
The maximum number of cubes that can be stacked on the inclined plane without sliding is determined as 8.
<h3>
Net force on the box</h3>
The net force on the box can be used to determine the maximum number of cubes that can be stacked without sliding.
The stack cubes must be at equilibrium.
∑Fx = 0
nW - μFₙ = 0
where;
- n is number of the cubes
- Fₙ is the normal force of the cubes
- W is the weight of the cubes acting parallel to the plane
n(mg)sinθ - μmgcosθ = 0
n(mg)sinθ = μmgcosθ
nsinθ = μcosθ
- let the coefficient of friction = 1
nsinθ = cosθ
n = cosθ/sinθ
n = 1/tanθ
n = (1)/(1/8)
n = 8
Thus, the maximum number of cubes that can be stacked on the inclined plane without sliding is determined as 8.
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Answer:
The minimum thickness of the soap bubble for destructive interference to occur is 225.56 nm.
Explanation:
Given;
wavelength of light, λ = 600 nm
The minimum thickness of the soap bubble for destructive interference to occur is given by;
where;
n is refractive index of soap film = 1.33
Therefore, the minimum thickness of the soap bubble for destructive interference to occur is 225.56 nm.
The x-component of the acceleration is
Explanation:
This problem is an example of uniformly accelerated motion, so we can solve it by using the following suvat equation:
where
u is the initial velocity
a is the acceleration
s is the displacement
t is the time
For the body in this problem, we have:
u = 11.1 cm/s is the initial velocity
The displacement is
s = -3.58 - (3.59) = -7.17 cm
While the time is
t = 2.48 s
Substituting and solving the formula for a, we find the x-component of the acceleration:
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