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3 years ago

An element with _____ positioning is removed from the normal flow and keeps its position even when the user scrolls.

1 answer:

Colt1911 [192]3 years ago

7 0

An element with fixed positioning is removed from normal flow and keeps its place constant or even when user scrolls. This kind of positioning is fairly uncommon but truly has its uses of its own. A fixed role detail is placed relative to the viewport, or the browser window itself. The viewport would not exchange when the window is scrolled, so a set positioned element will stay proper in which it is when the page is scrolled, creating an impact a bit just like the antique college days.

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A cow runs left word 50 M to eat some apples then walks left word another 100 and to munch on some flowers the cows total travel

Lelechka [254]

Answer: velocity = -0.65 speed =0.65

Explanation:

Velocity =speed+direction speed =distance/time

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3 years ago

You push on a 30 kg box with a force of 120 N. What is the acceleration of the box2

kumpel [21]

Answer:

Explanation:

120/30=6

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3 years ago

When flying in an airplane, you are most likely in which layer of the atmosphere? mesosphere thermosphere stratosphere trosphere

Sergeeva-Olga [200]

Lower stratosphere, this is to avoid turbulence

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3 years ago

Read 2 more answers

How does the speed of visible light compare with the speed of gamma rays

DochEvi [55]

Answer:

They are the same

Explanation:

Electromagnetic waves consist of perpendicular oscillations of electric and magnetic field, which oscillate perpendicularly to the direction of motion of the wave (transverse wave). One property of the electromagnetic waves is that they travel in a vacuum always at the same speed, called speed of light:

$c=3.0\cdot 10^8 m/s$

Electromagnetic waves are classified into 7 different types according to their frequency; from highest to lowest frequency, we have:

Gamma rays

X-rays

Ultraviolet

Visible light

Infrared

Microwaves

Radio waves

We see that both visible light and gamma rays are electromagnetic waves, so they both travel in a vacuum at the same speed, the speed of light.

3 0

4 years ago

A wire of resistivity ρ must be replaced in a circuit by a wire of the same material but four times as long. If, however, the to

Elanso [62]

Answer:

E. two times the original diameter

Explanation:

Resistance of a wire is:

R = ρ L/A

where ρ is the resistivity of the material, L is the length, and A is the cross-sectional area.

For a round wire with diameter d:

R = ρ L / (¼ π d²)

The two wires must have the same resistance, so:

ρ₁ L₁ / (¼ π d₁²) = ρ₂ L₂ / (¼ π d₂²)

The wires are made of the same material, so ρ₁ = ρ₂:

L₁ / (¼ π d₁²) = L₂ / (¼ π d₂²)

The new length is four times the old, so 4 L₁ = L₂:

L₁ / (¼ π d₁²) = 4 L₁ / (¼ π d₂²)

1 / (¼ π d₁²) = 4 / (¼ π d₂²)

Solving:

1 / (d₁²) = 4 / (d₂²)

(d₂²) / (d₁²) = 4

(d₂ / d₁)² = 4

d₂ / d₁ = 2

So the new wire must have a diameter twice as large as the old wire.

3 0

4 years ago