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4 years ago

3 areas of population distribution

Geography

1 answer:

lesantik [10]4 years ago

7 0

Answer:

cars, chemical factories, trash on beaches.

Explanation:

i tried my best

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3 years ago

Distinguish between conventional and non conventional sources of energy

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Explanation:

conventional source of energy is the energy that are non renewable and cannot be use time and again where as non conventional sources of energy are the renewable sources of energy that can be used time and again the second difference is that the example of conventional source of energy are coal petrol fossil fuel etcsimilarly the example of non conventional source of energy are the energy produced by the use of wind sunlight etcthird difference is that non conventional source of energy does not affect the environment and population does not causes by the use of non conventional source of energy whereas by the use of conventional sources of energy the pollution will increase

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3 years ago

Nationalistic rivalry and a military build up in europe led to an outbreak of what?

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3 years ago

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3. A space vehicle is traveling at 4300 km/h relative to Earth when the exhausted rocket motor (mass 4m) is disengaged and sent

kvv77 [185]

Answer: Vce= 4234.4km/hr or 1180m/s

Explanation:

Mass of rocket motor Mr= 4m

Mass of control module Mc= m

Initial velocity of spaceship relative to earth Vs= 4300km/hr

Final velocity of command module relative to the rocket motor Vrc = 82km/hr

Total mass of spaceship M= 4m+m= 5m

Using law of conservation of momentum;

MVs= MrVre + McVce eqn1

Vre = Vrc+Vce eqn2

Where Vce is velocity of control room relative to the earth and Vre is velocity of rocket motor relative to the earth

Substituting eqn2 to eqn1, we have.

MVs= Mr(Vrc+Vce) +McVce

MVs= MrVrc+MrVce+McVce

Making Vce the subject of formula.

Vce = (MVs-MrVrc)/(Mc+Mr)

Substituting the values we have,

Vce = (5m×4300km/hr - 4m×82km/hr)/ (m+4m)

Vce = 21172m/5m

Vce= 4234.4km/hr or 1180m/s

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3 years ago

Blessed rainy day is celebrated in

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thrue bap in spring season

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