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Allisa [31]
3 years ago
14

All of the waves in the electromagnetic spectrum are _______ waves.

Physics
2 answers:
user100 [1]3 years ago
5 0
Transverse, I think. I may be wrong.
zimovet [89]3 years ago
3 0
The answer is Transverse.

I hope this helps. :)
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A 2 kg ball going 10 m/s follows a path that is perpendicular to the surface of a wall. It impacts the wall and looses 20 % of i
Ostrovityanka [42]

Answer:

If two objects make a head on collision, they can bounce and move along the same direction they approached from (i.e. only a single dimension). However, if two objects make a glancing collision, they'll move off in two dimensions after the collision (like a glancing collision between two billiard balls).

For a collision where objects will be moving in 2 dimensions (e.g. x and y), the momentum will be conserved in each direction independently (as long as there's no external impulse in that direction).

In other words, the total momentum in the x direction will be the same before and after the collision.

\Large \Sigma p_{xi}=\Sigma p_{xf}Σp

xi

​

=Σp

xf

​

\Sigma, p, start subscript, x, i, end subscript, equals, \Sigma, p, start subscript, x, f, end subscript

Also, the total momentum in the y direction will be the same before and after the collision.

\Large \Sigma p_{yi}=\Sigma p_{yf}Σp

yi

​

=Σp

yf

​

\Sigma, p, start subscript, y, i, end subscript, equals, \Sigma, p, start subscript, y, f, end subscript

In solving 2 dimensional collision problems, a good approach usually follows a general procedure:

Identify all the bodies in the system. Assign clear symbols to each and draw a simple diagram if necessary.

Write down all the values you know and decide exactly what you need to find out to solve the problem.

Select a coordinate system. If many of the forces and velocities fall along a particular direction, it is advisable to use this direction as your x or y axis to simplify calculation; even if it makes your axes not parallel to the page in your diagram.

Explanation:

i think this what your aswer is let me know if you got  it right if not i fix it or i will look in my answer book

please rate me in say thanks

4 0
3 years ago
At what speed, as a fraction of c, will a moving rod have a length 65% that of an identical rod at rest
dezoksy [38]

Answer:

v/c = 0.76

Explanation:

Formula for Length contraction is given by;

L = L_o(√(1 - (v²/c²))

Where;

L is the length of the object at a moving speed v

L_o is the length of the object at rest

v is the speed of the object

c is speed of light

Now, we are given; L = 65%L_o = 0.65L_o, since L_o is the length at rest.

Thus;

0.65L_o = L_o[√(1 - (v²/c²))]

Dividing both sides by L_o gives;

0.65 = √(1 - (v²/c²))

Squaring both sides, we have;

0.65² = (1 - (v²/c²))

v²/c² = 1 - 0.65²

v²/c² = 0.5775

Taking square root of both sides gives;

v/c = 0.76

6 0
3 years ago
A cyclist rides in a circle with speed 8.1 m/s. What is his centripetal
Alina [70]

Explanation:

We know that the tangent velocity is 8.1 m/s. We also know that the tangent velocity can be written in the following way:

Vt = ωr with ω being the angular velocity.

We now calculate ω:

ω = Vt/r = 8.1 m/s / 27m = 0.3 rad/s

Now that we have ω we can calculate the centripetal aceleration:

a = ω^2 * r = ( 0.3 )^2 * 27 = 2.43 m/s^2

5 0
2 years ago
You decide to build a small generator by rotating a coiled wire inside a static magnetic field of 0.30 T. You construct the appa
Mekhanik [1.2K]

Answer:0.0153 W

Explanation:

Given

Magnetic Field B=0.3 T

N=5

radius R=0.18 m

N_0=2 rps

\omega =2\pi N_0=12.56 rad/s

flux associated with loop is

\phi _B=NBA\cos \theta

\phi _B=NBA\cos \omega t

and Induced emf is

e=\frac{\mathrm{d} \phi _B}{\mathrm{d} t}

e=NBA\omega \sin \omega t

and let Q be the energy dissipated then

Q=\int Pdt

Q=\int_{0}^{T}\frac{E^2}{R}dt

Q=\frac{(NBA\omega )^2}{R}\int_{0}^{T}\frac{1-\cos 2\omega t}{2}dt

Q=\frac{(NBA\omega )^2}{R}\times \frac{T}{2}

Thus \frac{Q}{T}=P_{avg}

P_{avg}= \frac{(NBA\omega )^2}{2R}

P_{avg}=\frac{(5\times 0.3\times 0.101/8\times 12.56)^2}{2\times 120}

P_{avg}=0.0153 W

6 0
3 years ago
Choose all that represent ways that Venus is different than Earth.
Ganezh [65]

The answer is C because carbon dioxide is trapped in a thick atmosphere.

7 0
3 years ago
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