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4 years ago

Your mom is making lunch which forces are acting on your mom

Physics

2 answers:

N76 [4]4 years ago

7 0

The forces acting on your mom while cooking is Air resistance and the force of friction

Explanation:

1. Air resistance:

In simple words, Air resistance can be stated as the type of friction between the air and the other materials.
In this scenario, there will be an air resistance and the air hits the mom while cooking via the doors or windows

2. The force of friction:

In simple words, friction can be stated as, the resistance that one surface or object encounters when moving over another.
While cooking the food mom would experience the friction since friction is the transfer of heat, and cooking is the process of receiving that heat.

Degger [83]4 years ago

6 0

When your mom is making lunch, the forces acting on your mom are gravity and normal force.

Explanation:

Gravity is the force exerted by earth on objects.The force of gravity is equal to the weight of the object. Movements or immobile positions on earth, all involves gravity and it is the gravitational force that enables you to stand still.Gravity is exerted in the downward direction.

Normal force acts on the upward direction opposite to the direction of gravity.When your mom is making lunch,gravity acts on her in the downward direction while an equal normal force acts in the upward direction.The gravity and normal force are balanced forces here.

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If electromagnetic radiation acted like particles in the double-slit experiment, what would be observed? (1 point)

ludmilkaskok [199]

If electromagnetic radiation acted like particles in the double-slit experiment, we would observe one bright band would appear in the center of the screen.

<h3>Bahavior of particles in double-slit experiment</h3>

In a double-slit experiment, single particles, such as photons, pass one at a time through a screen containing two slits.

The photons behave like wave and the constructive interfernce of the waves of these photons will generate a high amplitude wave seen as a bright band in the center of the screen.

Thus, if electromagnetic radiation acted like particles in the double-slit experiment, we would observe one bright band would appear in the center of the screen.

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6 0

2 years ago

How much energy becomes unavailable for work in an isothermal process at 440 k, if the entropy increase is 25 j/k?

just olya [345]

Answer: 11,000 J

Explanation:

In an isothermal process,

$\text{entropy increase} = \frac{\text{amount of energy in heat transfer}}{\text{temperature} }$ (1)

Note that, the energy used in heat transfer is not available for work. So, the amount of energy unavailable for work is equal to the energy used in heat transfer.

To obtain the amount of energy in heat transfer, we multiply both sides of equation (1) by the denominator of the right side of (1) so that

amount of energy in heat transfer = (entropy increase)(temperature)
= (25 J/K)(440 K)
= 11,000 J

Since the amount of energy unavailable for work is equal to the amount of energy in the heat transfer, therefore the amount of energy unavailable for work is 11,000 J.

8 0

3 years ago

The actual depth of a shallow pool 1.00 m deep is not the same as the apparent depth seen when you look straight down at the poo

DedPeter [7]

Answer:

d' = 75.1 cm

Explanation:

It is given that,

The actual depth of a shallow pool is, d = 1 m

We need to find the apparent depth of the water in the pool. Let it is equal to d'.

We know that the refractive index is also defined as the ratio of real depth to the apparent depth. Let the refractive index of water is 1.33. So,

$n=\dfrac{d}{d'}\\\\d'=\dfrac{d}{n}\\\\d'=\dfrac{1\ m}{1.33}\\\\d'=0.751\ m$

d' = 75.1 cm

So, the apparent depth is 75.1 cm.

4 0

3 years ago