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Reptile [31]
3 years ago
9

Which statement is an observation from Newton’s experiments with light? White light becomes a range of colors after passing thro

ugh a prism. A prism adds a range of colors to white light. Newton asked questions about the makeup of white light. A prism is a useful device for experimenting with white light.
Physics
1 answer:
andriy [413]3 years ago
5 0
<h2>Answer: White light becomes a range of colors after passing through a prism.</h2>

Explanation:

White light is composed by a range of colors, this was discovered by Isaac Newton when he observed that a beam of white light was refracted (the different rays of light are diverted depending on their wavelengths) when passing through a prism .

This phenomenom was later called dispersion.

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A ball of mass m= 450.0 g traveling at a speed of 8.00 m/s impacts a vertical wall at an angle of θi =45.00 below the horizontal
Mkey [24]

Answer:

   F = 20.4 i ^

Explanation:

This exercise can be solved using the ratio of momentum and amount of movement.

     I = F t = Dp

Since force and amount of movement are vector quantities, each axis must be worked separately.

X axis

Let's look for speed

      cos 45 = vₓ / v

      vₓ = v cos 45

      vₓ = 8 cos 45

      vₓ = 5,657 m / s

We write the moment

Before the crash                          p₀ = m vₓ

After the shock                            p_{f} = -m vₓ

The variation of the moment      Δp = mvₓ - (-mvₓ) = 2 m vₓ

The impulse on the x axis           Fₓ t = Δp

       

        Fₓ = 2 m vₓ / t

        Fx = 2 0.450 5.657 / 0.250

        Fx = 20.4 N

We perform the same calculation on the y axis

       sin  45 = vy / v

       vy = v sin 45

       vy = 8 sin 45

       vy = 5,657 m / s

We calculate the initial momentum   po = m v_{y}

Final moment                                      p_{f} = m v_{y}

Variations moment                             Δp = mv_{y} - mv_{y} = 0

Force in the Y-axis                             F_{y} = 0

Therefore the total force is

       F = fx i ^ + Fyj ^

       F = Fx i ^

       F = 20.4 i ^

3 0
3 years ago
Water is boiling in a clear pot, as shown in the picture. Which takes place as water cycles from the bottom of the pot toward th
nikitadnepr [17]

Hot and cold water rising and sinking through other water
is definitely a description of convection.
6 0
4 years ago
Read 2 more answers
HELP ASAP!!! PLEASE!!!! A driver traveling on the highway at 100km/hr notices the speed limit changes to 50km/hr as a speed came
Talja [164]

Answer:

90m

Explanation:

Speed * time

100*0.9=90m

hope this helped xx

8 0
4 years ago
Respiratory function deteriorates as a result of pneumonia because inflammation. True or False
Fittoniya [83]

true ........i really dont kno but ok hope this helps

5 0
3 years ago
If a system's internal energy increases by 250 kJ after the addition of375 kJ of energy as heat, what was the value ofthe work i
nata0808 [166]

Answer:

-125 kj

Explanation:

A system internal energy increases by 250kj after an additional 375kj

Therefore the value of the work in process can be calculated as follows

= 250kj-375kj

= - 125 kj

Hence the value of the work in process is - 125 kj

7 0
3 years ago
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