Fourteen billion years represents the approximate age of?

Answers

Answer 1

Answer:

Fourteen billion years represents the approximate age of Universe.

Explanation:

The age of the universe is that the time advance since the massive Bang. this measurement of the age of the universe.T he universe cannot be younger than the objects contained inside it. By deciding the ages of the oldest stars, scientists are ready to place a limit on the age.

The life cycle of a star relies on its mass. additional large stars burn quicker than their lower-mass siblings. A star ten times as large because the sun can burn through its fuel provide in twenty million years, whereas a star with 0.5 the sun's mass can last quite twenty billion years.

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Is oil less dense than water

Answers

Yah oil is less dence

Select all that apply.A longitudinal wave is characterized by _____.
peaks compressions dips rarefactions

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A longitudinal wave ischaracterized by rarefactions. A longitudinal wave is a wave motion wherein theparticles in the wave medium are displaced parallel to the advancing wave. When motionis detected from the source, the particle next to it vibrates from its rest positionand a progressive change in phase vibration is observed at each particle withinthat wave. The result is that the energy is transported from one region to theother. These combined motions result in the movement of alternating regions of rarefactionin the direction of transport of energy.

It's characterized by both compression and rarefaction.

(the compression in front of the waves induces a rarefaction behind the wave)

What causes light to bend when it moves from one transparent medium to another?a change in amplitude

a change in color

a change in frequency

a change in speed

Answers

Answer: The correct answer is - change in speed.

When light travels from one transparent medium to another transparent medium, it bends and this phenomenon is known as refraction.

It is caused due to difference in the speed of light in different medium as speed of light is slow in a denser medium (like water) whereas speed is faster in a lighter medium (like air).

change in speed is the answer

When the shadow of the moon appears on earths surface what is occuring?

Answers

The moon surface is visible to an observer on earth due to the gravitational force that attracts the moon to the earth. The more massive the body is, the more the smaller body is attracted to the larger body. We can only see the side of the moon due to the speed at which the moon rotates.

a coil has n turns enclosing an area of a. in a physics laboratory experiment, the coil is rotated during the time interval δt from a position in which the plane of each turn is perpendicular to earth's magnetic field to one in which the plane of each turn is parallel to the field. the magnitude of earth's magnetic field at the lab location is b.

Answers

The correct answer for the question that is being presented above is this one:

Phi = BAsin(theta)
1. Phi(i) = BA
2. Phi(f) = 0
3. EMF = N(phi(i)-phi(f))/deltat

Here are the follow-up questions:

1. What is the total magnitude Phi_initial of the magnetic flux through the coil before it is rotated?
2. What is the magnitude Phi_final of the total magnetic flux through the coil after it is rotated?
3. What is the magnitude of the average emf induced in the coil?

Are cells live or dead? a. True b. False

Answers

Scientists consider them the smallest form of life. Yes, they are alive

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Little is known about much of earth’s early history because ____. a. precambrian rocks have been deeply buried b. precambrian rocks have been changed by heat and pressure c. precambrian soft-bodied life-forms weren’t often preserved as fossils d. all of the above

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