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kodGreya [7K]
2 years ago
9

Which electromagnetic wave has the highest frequency​

Physics
2 answers:
Doss [256]2 years ago
7 0

Answer:

<em>Gamma rays</em>

Explanation:

Gamma rays has the highest frequency

<em>H</em><em>ope </em><em>it</em><em> is</em><em> helpful</em><em> to</em><em> you</em>

Deffense [45]2 years ago
6 0

Answer:

Gamma rays

Gamma rays have the highest energies, the shortest wavelengths, and the highest frequencies.

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A child of mass 47 kg sits on the edge of a merry-go-round with radius 1.3 m and moment of inertia 56.3953 kg m2 . The merrygo-r
lakkis [162]

Answer:

F=156.416\ N the child have to exert this much amount of force radially to stay on the wheel.

Explanation:

Given:

mass of the child, m=47\ kg

radius of the merry-go round wheel, r=1.3\ m

moment of inertia of the wheel, I=56.3953\ kg.m^2

angular velocity of the wheel, \omega=1.6\ rad.s^{-1}

Since the child is sitting on the edge of the rotating wheel the child will feel and outward throwing force called centrifugal force.

Centrifugal force is mathematically given as:

F=m.r.\omega^2

F=47\times 1.3\times 1.6^2

F=156.416\ N the child have to exert this much amount of force radially to stay on the wheel.

4 0
3 years ago
The period T of a simple pendulum depends on the length L of the pendulum and the acceleration of gravity g (dimensions L/P). (a
andriy [413]

Answer:

a). L= meters, g= \frac{m}{s^{2} }

b). L= 5cm  T=0.448

    L= 10 m  T=6.34

c).  Constant= \frac{2*\pi }{\sqrt{g} }=\frac{2*\pi }{\sqrt{9.8} }=2.007089923

Explanation:

a).

T= 2*\pi  \sqrt{\frac{L}{g} } = 2*\pi \sqrt{\frac{m}{\frac{m}{s^{2} } } } \\T= 2*\pi \sqrt{\frac{s^{2}*m }{m} }=2*\pi  \sqrt{s^{2}  } \\T= s

b).

L_{1}= 5 cm, 5cm *\frac{1m}{100 cm} = 0.05 m

T=2*\pi \sqrt{\frac{L}{g} }

T=2*\pi \sqrt{\frac{0.05}{9.8} }= 0.448s

L_{1}= 10 m

T=2*\pi \sqrt{\frac{L}{g} }

T=2*\pi \sqrt{\frac{10}{9.8} }= 6.43s

c).

g= 9.8 \frac{m}{s^{2} }

T=2*\pi *\frac{\sqrt{L} }{\sqrt{g} } =T=2*\pi *\frac{\sqrt{L} }{\sqrt{9.8} } \\T= 2*\pi \frac{1}{\sqrt{9.8}} *\sqrt{L}\\T= 2.007089923*\sqrt{L}

6 0
2 years ago
What type of rock this is
seraphim [82]
Sedimentary was the right one
8 0
3 years ago
Please help what is the definition ligthspeed
aev [14]

Light speed is the speed at which light can travel in a "vacuum" (space for example).

The speed of light is constant and is exactly: 299,792,458 meters per second

ONLY IN A VACUUM!!

The speed of light changes when it goes through different mediums (such as from space to Earth, light travels slower in Earth).

Good luck!

3 0
2 years ago
If a motorcycle accelerates uniformly from rest at 5 m / s2, how long does it take for it to reach a speed of 20 m / s.
irina1246 [14]

Answer:

4 seconds

Explanation:

Given:

v₀ = 0 m/s

v = 20 m/s

a = 5 m/s²

Find: t

v = at + v₀

20 m/s = (5 m/s²) t + 0 m/s

t = 4 s

6 0
3 years ago
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