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4 years ago

A red ladybug appears_ in white light, in red light, and_in blue light.

1 answer:

3 0

<span>A red ladybug appears red in white light, red in red light, and black in blue light.

When a ladybug is red it means that its shell reflects the red light, or the radiation between 650-700 nm, from the visible spectrum. A white light is composed of all colours, the whole visible spectrum, therefore, the ladybug shell will reflect the red colour. When considering a red light over a red ladybug, the ladybug will again appear red because the spectrum in which there is reflection of colour from its shell is present. On the other hand, when blue light is put over a red ladybug, the ladybug will appear black as there is no light that its shell can reflect.</span>

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True or False: An electric circuit has to be complete for the load to<br> receive electricity.

antoniya [11.8K]

It will be false you welcome:)

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3 years ago

A 910-kg object is released from rest at an altitude of 1200 km above the north pole of the Earth. If we ignore atmospheric fric

gayaneshka [121]

In order to develop this problem it is necessary to use the concepts related to the conservation of both potential cinematic as gravitational energy,

$KE = \fract{1}{2}mv^2$

$PE = GMm(\frac{1}{r_1}-(\frac{1}{r_2}))$

Where,

M = Mass of Earth

m = Mass of Object

v = Velocity

r = Radius

G = Gravitational universal constant

Our values are given as,

$m = 910 Kg$

$r_1 = 1200 + 6371 km = 7571km$

$r_2 = 6371 km,$

Replacing we have,

$\frac{1}{2} mv^2 = -GMm(\frac{1}{r_1}-\frac{1}{r_2})$

$v^2 = -2GM(\frac{1}{r_1}-\frac{1}{r_2})$

$v^2 = -2*(6.673 *10^-11)(5.98 *10^24) (\frac{1}{(7.571 *10^6)} -\frac{1}{(6.371 *10^6)})$

$v = 4456 m/s$

Therefore the speed of the object when striking the surface of earth is 4456 m/s

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4 years ago

When a new path of lesser resistance is made for an existing circuit a(n) _____________ circuit occurs.

Margaret [11]

When a new path of lesser resistance is made for an existing circuit a(n) short circuit occurs.

<h3>What is short circuit?</h3>

An electrical circuit short circuit is when two nodes that are supposed to be connected at different voltages make an improper connection. This leads to an electric current that can damage circuits, cause overheating, fire, or explosions, and is only constrained by the network's remaining nodes' equivalent Thevenin resistance. While short circuits are typically the result of a failure, they can occasionally be brought on purpose, such as when voltage-sensing crowbar circuit protectors are being installed.

An electrical connection that requires two nodes to have the same voltage is known as a short circuit in circuit analysis. Since there is no resistance and hence no voltage drop across the link in a "perfect" short circuit, there is no short circuit.

To learn more about short circuit, visit:

brainly.com/question/13260673

#SPJ4

5 0

2 years ago

Help ASAP

Mashcka [7]

Answer:

The golf ball has a constant velocity

Explanation:

5 0

3 years ago

An ion of an element has 30 protons 32 neutrons and 29 electrons what is that charge and how did you make that determination

ale4655 [162]

The ion has a charge of 1 +.

A neutral ion would have the same number of protons and neutrons. The neutrons have no charge (they're neutral) so they don't matter when it comes to the charge of an ion. This ion has 30 protons (+) and 29 electrons (-). There is 1 more proton than there are electrons so the ion has a charge of 1 +.

4 0

3 years ago

Read 2 more answers

A red ladybug appears___ in white light,______ in red light, and_____in blue light.

A red ladybug appears_ in white light, in red light, and_in blue light.