Answer:
If the cosmos emerged from the Big Bang with sufficiently high density, then it contains enough matter to halt its own expansion and the recession of galaxies will stop. Red shifts will turn to blue shifts as the universe begins collapsing inward and stars and planets and galaxies will collide with increasing frequency and violence as space diminishes. The entire universe will shrink towards a super dense, super hot singularity, much like the one from which it originated, the "big crunch".
Gravity of a low density universe will be too weak to half the present expansion. The universe will expand forever, the galaxies continually receding, their radiation steadily weakening with increasing distance.
In time, we will see no galaxies in the sky beyond the Local Group. Eventually, the Local Group will peter out as their fuel supply is consumed. A "cold death" will happen whereby all radiation, matter, and life are eventually destined to freeze. This would take about a trillion years to happen.
The universe can expand forever, in which case we die a cold death in which all activity gradually fades away, or the expansion can stop and the universe will recollapse to a fiery Big Crunch.
Answer:
Net charge inside the cube is 321.6 C
Explanation:
Given charge density function is ρ =
side of cube is 2m
According to the definition of volume charge density total charge is given by
q = total charge = where dv = dxdydz is the volume element
on substututing the respected values we get
q =
on solving the above integration we get
q = x x
⇒ q = 321.6 C
Therefore net charge inside the cube is 321.6 C
Answer:
a) No-Load Current will increase
b) The magnetising reactance will increase
c) The secondary voltage will decrease
Explanation:
a) when an air ap is made in the transformer core then more current is required for the magnetisation of core. Hence, no-load current will incraese.
b) with the air gap the magnetomotive force increases. As a result, the angle between the voltage and current increases. Consequently, power factor decreases. Power factor always decreases when the reactive behaviour of circuit incraeses. Hence, Magnetisation reactance will increase.
c) Secondary voltage decreases due to air gap. Therefore, it is said that with the air gap the efficiency of the transformer decreases.
Answer:
20 mangintiude beacuse
Explanation:
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The basic elements for every contract include
1) an offer,
2) acceptance,
3) Awareness
4) with legal capacity, for a legal purpose
<h3>What is a contract?</h3>
A contract is an agreement between two or more parties, to perform a specific job or duty. A contract is usually temporary or of fixed duration and usually governed by a written agreement.
The basic elements every contract should contain are as follows:
- An offer, which encompasses the duties and responsibilities of each party
- Acceptance; the offeree must decide whether to accept or reject the proposal/offer.
- Awareness; for a contract to be binding, the involved parties must first be aware that they are entering into an agreement
- Legal capacity; all contracts are subject to the laws of the jurisdiction in which they operate
Learn more about contract at: brainly.com/question/2669219
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