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3 years ago

As light passes through a prism, which color will bend the most?

Physics

2 answers:

Makovka662 [10]3 years ago

7 0

Violet :)
<span> violet color has least wave length, it bends the most and the red bends the least. </span>

zhannawk [14.2K]3 years ago

6 0

I believe it to be violet

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What would happen if you try to put two balloons with the same charge together

ivanzaharov [21]

Answer:

they would repel because they have the same charge. Charges that are different will stick together.

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3 years ago

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A 31 kg block is initially at rest on a horizontal surface. A horizontal force of 83 N is required to set the block in motion. A

Hatshy [7]

Answer:

The static and kinetic coefficients of friction are 0.273 and 0.181, respectively.

Explanation:

By Newton's Laws of Motion and definition of maximum friction force, we derive the following two formulas for the static and kinetic coefficients of friction:

$\mu_{s} = \frac{f_{s}}{m\cdot g}$ (1)

$\mu_{k} = \frac{f_{k}}{m\cdot g}$ (2)

Where:

$\mu_{s}$ - Static coefficient of friction, no unit.

$\mu_{k}$ - Kinetic coefficient of friction, no unit.

$f_{s}$ - Static friction force, in newtons.

$f_{k}$ - Kinetic friction force, in newtons.

$m$ - Mass, in kilograms.

$g$ - Gravitational constant, in meters per square second.

If we know that $f_{s} = 83\,N$ , $f_{k} = 55\,N$ , $m = 31\,kg$ and $g = 9.807\,\frac{m}{s^{2}}$ , then the coefficients of friction are, respectively:

$\mu_{s} = \frac{83\,N}{(31\,kg)\cdot \left(9.807\,\frac{m}{s^{2}} \right)}$

$\mu_{s} = 0.273$

$\mu_{k} = \frac{55\,N}{(31\,kg)\cdot \left(9.807\,\frac{m}{s^{2}} \right)}$

$\mu_{k} = 0.181$

The static and kinetic coefficients of friction are 0.273 and 0.181, respectively.

4 0

3 years ago

Which item is an example of a lever?

Sav [38]

The scissors are an example of a lever

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4 years ago

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A vector must always have both size and

Nutka1998 [239]

Answer:direction

Explanation:

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4 years ago

A 60 cm diameter wheel accelerates from rest at a rate of 7 rad/s2. What is the tangential acceleration (in m/s2) of a point on

wolverine [178]

Answer:

2.1 m/s²

Explanation:

By definition, the angular acceleration, is equal to the rate of change of the angular velocity, ω:

α = Δω / Δt (1)

By definition of the angular velocity, we can express the linear velocity, v, as follows:

v = ω*r⇒ Δv = Δω*r (2)

Replacing Δω, from (1) in (2), we get:

Δv = α*Δt*r⇒ Δv/Δt = α*r (3)

By definition of linear acceleration, we can write the following expression;

a = α*r

For a point on the edge of the wheel, the linear acceleration is tangent to the rim, and is equal to the product of the angular acceleration times the distance to the center, which for a point on the edge of the wheel, is just the radius:

⇒ a = 7 rad/sec²*0.3m = 2.1 m/s²

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4 years ago