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Andrews [41]
2 years ago
8

Who do you think took Ms. C's lunch?

Physics
1 answer:
seropon [69]2 years ago
4 0

Answer:

the main character

Explanation:

i think

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A light source radiates 60.0 W of single-wavelength sinusoidal light uniformly in all directions. What is the amplitude of the m
Anna35 [415]

To solve this problem it is necessary to take into account the concepts of Intensity as a function of Power and the definition of magnetic field.

The intensity depending on the power is defined as

I = \frac{P}{4\pi r^2},

Where

P = Power

r = Radius

Replacing the values that we have,

I = \frac{60}{(4*\pi (0.7)^2)}

I = 9.75 Watt/m^2

The definition of intensity tells us that,

I = \frac{1}{2}\frac{B_o^2 c}{\mu}

Where,

B_0 =Magnetic field

\mu = Permeability constant

c = Speed velocity

Then replacing with our values we have,

9.75 = \frac{Bo^2 (3*10^8)}{(4\pi*10^{-7})}

Re-arrange to find the magnetic Field B_0

B_o = 2.86*10^{-7} T

Therefore the amplitude of the magnetic field of this light is B_o = 2.86*10^{-7} T

6 0
3 years ago
What would be the distance moved if we had a 70 n force and work done is 8j
Lostsunrise [7]

Answer:

0.1143m

Explanation:

W=f×s

8=70s

make s the subject of the formula

s=8/70

=0.1143m

3 0
2 years ago
Find an equation in x and y for the line tangent to the curve ()=4,()=cos() at the point where =4.
m_a_m_a [10]

An equation in x and y for the line tangent to the curve ()=4,()=cos() at the point where =4 is x(t)=2t+2,y(t)=t^4.

<h3>What is tangent?</h3>

In calculation, the digression line to a plane bend at a given point is the straight line that "simply contacts" the bend by then. Leibniz characterized it as the line through a couple of boundlessly close focuses on the bend. The chart of digression is intermittent, implying that it rehashes the same thing endlessly. In contrast to sine and cosine in any case, digression has asymptotes isolating every one of its periods. The space of the digression capability is all genuine numbers with the exception of at whatever point cos⁡(θ)=0, where the digression capability is vague. Assuming they stroll in an orderly fashion, they are fundamentally following a digression way for the shape that is made inside the fencing.

Learn more about tangent, refer:

brainly.com/question/12585907

#SPJ4

7 0
1 year ago
If the strength of gravity is 9.8 newtons per kilogram, that means:
Igoryamba
Here, E<span>ach kilogram of mass weighs 9.8 newtons as it's unit value of it.

In short, Your Answer would be Option D

Hope this helps!</span>
4 0
3 years ago
Read 2 more answers
A fire hose sends 2429 gallons of water per minute against a burning building. The water strikes the building at 66 m/s and does
Anastasy [175]

Answer:

a)   Δp = - 10113.2 Kg m / s, b) he rate of change is negative, c)    F = 140.46N

Explanation:

a) For this part let's analyze a water particle, it has a velocity of 66 m / s and when it collides with the building its velocity changes to zero, so the change in moment is

           Δp = mv_f - m v₀

           Δp = -m v₀                              (1)

the change of the moment in a second is

           

if 2429 gallons arrive in in minute (60s) in a second how many gallons arrive      

            c_agua = 2429/60

            c_water = 40,483 gallon/ s

let's use the concept of density to find the mass

            ρ = m / V

            m = ρ V

let's reduce gallons to liters

             c_water = 40,483 gal (3,785 l / 1 gal) = 153.23 l

           

            m = 1 153.23

            m 153.23 kg

           

we substitute in 1

            Δp = - 153.23 66

            Δp = - 10113.2 Kg m / s

b) From the previous result the rate of change is negative

c) Let's use the impulse ratio

             I = f t = Δp

             F t = Δp

               

              F = Δp / t

              F = \frac{10113.2}{1.2 \ 60}

              F = 140.46 N

5 0
2 years ago
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