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2 years ago

Which type of radiation on the electromagnetic spectrum has the greatest energy and why?

Physics

2 answers:

Neko [114]2 years ago

5 0

Answer:

Gamma rays

Explanation:

the main ray that emits ultraviolet light is the sun. X-rays are used in medicine to see organs in the body such as bones. Gamma rays have the highest frequency and the greatest penetrating power

nika2105 [10]2 years ago

4 0

Answer:

Gamma rays

Explanation:

Have the highest energies. The shortest wavelengths, and the highest frequencies.

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Three deer, a, b, and c, are grazing in a field. deer b is located 62.1 m from deer a at an angle of 54.3 ° north of west. deer

sveticcg [70]

by cosine law we know that

$c^2 = a^2 + b^2 - 2 abcos\theta$

$\theta = 180 - 54.3 - 79.1 = 46.6 degree$

now using above equation

$93.8^2 = 62.1^2 + b^2 - 2*62.1*b * cos46.6$

$4942.03 = b^2 - 85.34 b$

$b^2 - 85.34b - 4942.03 = 0$

by solving above quadratic equation we have

$b = 124.9 m$

so it is at distance 124.9 m from deer a

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2 years ago

Volume equals 4÷3 times pi times nine to the power of 3

Tcecarenko [31]

Answer:

V=972π

The equation I used... V=4/3π(9)^3

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1 year ago

A particle's trajectory is described by x = (0.5t^3-2t^2) meters and y = (0.5t^2-2t), where time is in seconds. What is the part

mestny [16]

Differentiate the components of position to get the corresponding components of velocity :

$v_x = \dfrac{\mathrm dx}{\mathrm dt} = \left(1.5\dfrac{\rm m}{\mathrm s^3}\right) t^2 - \left(4\dfrac{\rm m}{\mathrm s^2}\right)t$

$v_y = \dfrac{\mathrm dy}{\mathrm dt} = \left(1\dfrac{\rm m}{\mathrm s^2}\right)t-2\dfrac{\rm m}{\rm s}$

At t = 5.0 s, the particle has velocity

$v_x = \left(1.5\dfrac{\rm m}{\mathrm s^3}\right) (5.0\,\mathrm s)^2 - \left(4\dfrac{\rm m}{\mathrm s^2}\right)(5.0\,\mathrm s) = 17.5\dfrac{\rm m}{\rm s}$

$v_y = \left(1\dfrac{\rm m}{\mathrm s^2}\right)(5.0\,\mathrm s)-2\dfrac{\rm m}{\rm s} = 3.0\dfrac{\rm m}{\rm s}$

The speed at this time is the magnitude of the velocity :

$\sqrt{{v_x}^2 + {v_y}^2} \approx \boxed{17.8\dfrac{\rm m}{\rm s}}$

The direction of motion at this time is the angle $\theta$ that the velocity vector makes with the positive x-axis, such that

$\tan(\theta) = \dfrac{3.0\frac{\rm m}{\rm s}}{17.5\frac{\rm m}{\rm s}} \implies \theta = \tan^{-1}\left(\dfrac{3.0}{17.5}\right) \approx \boxed{9.73^\circ}$

4 0

2 years ago

An electric kettle is rated at 2kW. How much energy is transferred in 30s?

jenyasd209 [6]

$answer \\ = 30000 \: joule \\ solution \\ p = \frac{energy}{time} \\ power = 2kw = 2000 \: w = 2000j/s \\ (since \: 1 \: kw = 1000 \: j / s) \\ energy \: transformed \\ = power \times time \\ = 1000 \:j /s \times 30 \: s \\ = 30000 \: joule \\ hope \: it \: helps$

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3 years ago

Read 2 more answers

Watch the animation. identify the types of forces acting on an oil droplet while the voltage is turned on and the droplet is eit

mr_godi [17]

This is Millikan's oil drop experiment.
The downward force acting on the oil drop is its weight. The upward forces are air resistance, which is negligible due to the droplet's size, and the force due to the electric field present.

5 0

2 years ago