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worty [1.4K]
3 years ago
7

If a man bought 1000N of potatoes in Russia and sold it in Africa for the same price, will he be in profit or loss? Explain your

answer with proper reason neglate the transportation cost
Physics
2 answers:
navik [9.2K]3 years ago
8 0

Answer:

profit because if the man sold them to africa hw must pay for it to send them to africa so it will voat him more.

almond37 [142]3 years ago
3 0

Answer:

Explanation:

if they are selling potatoes based on its weight, then it depends on the acceleration due to gravity(g) in the region

If g in africa > russia, then he will make a profit, since weight will be more,

if its < russia, then he will make a loss, i dont know thier actual values so you will have to find that out on your own

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On an unknown planet in the outer-reaches of the solar system, a pendulum with a 12 g bob and a string length of 4 m oscillates
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The acceleration due to gravity (g) on this planet is 39.44 m/s²

<h3>What is solar system?</h3>

Solar system consists of all the planets and the most importantly the center of the solar system is Sun.

Given is an unknown planet in the outer-reaches of the solar system, a pendulum with a 12 g bob and a string length of 4 m oscillates with a period of 2 seconds.

The time period of the pendulum is

T = 2π √l/g

Squaring both sides, we get

l/g = T² / 4π²

g = 4π²l/ T²

Substitute Time period T = 2s and  length l = 4m,  we get

g = 4π²x 4/ 2²

g =39.44 m/s²

Thus, the acceleration due to gravity on this planet is 39.44 m/s²

Learn more about solar system.

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3 0
2 years ago
How is fission used to produce electricity? a. the heat generated from the fission reaction is used to boil water, which rises a
denis-greek [22]

According to the research, the correct option is a. The heat generated from the fission reaction is used to boil water, which rises and spins a turbine.

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As a result of nuclear fusion, large amounts of heat are generated that are used to produce pressurized steam, which allows mechanical energy to be obtained to start up electric power generators.

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4 0
1 year ago
If the half-life of tritium (hydrogen-3) is 12.3 years, how much of
tatyana61 [14]

Answer:

0.0000076 grams

Explanation:

We're given the half life of Tritium to be 12.3 years. In order to find out the amount of substabce remaining:

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n =  \frac{250}{12.3}  = 20.325

Now what is half life? It means the time taken for a given quantity of an element to lose half it's mass.

So in 12.3 years we can find that The amount of 250 g of Tritium will be 250/2 = 125 g. In 24.6 years we'll have 125/2 = 62.5 g

So now we can devise a formula:

m =  \frac{original \: amount}{ {2}^{n} }

Where m is the remaining amount and n is th number of half lives in the time given.

Using this formula we can calculate:

m =  \frac{10}{ {2}^{20.325} }

Doing this calculation we get:

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2 years ago
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