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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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A 77.0 kg woman slides down a 42.6 m long waterslide inclined at 42.3. at the bottom, she is moving 20.3 m/s.how much work did f
zhuklara [117]

Answer:

5.791244495 KNm

Explanation:

The height h is given by, h=42.6sin42.3^{o}

Potential energy, PE is given by

PE=mgh where m is mass of the woman, g is acceleration due to gravity whose value is taken as 9.81 m/s^{2} and h is already given hence substituting 77 Kg for m we obtain

PE=77*9.81*42.6sin42.3^{o}=21656.7095 Nm

PE=21.6567095 KNm

We also know that Kinetic energy is given by0.5mv^{2} where v is the velocity and substituting v for 20.3 we obtain

KE=0.5*77*20.3^{2}=15865.465 Nm

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Friction work=21.6567095 KNm-15865.465 Nm=5.791244495 KNm

8 0
3 years ago
A plane has a takeoff speed of 88.3 m/s and can accelerate at a rate of 3m/s to reach that speed. How long does the plane take t
Mrrafil [7]

v = \frac{d}{t}

and

a = \frac{v}{t}

We have acceleration and velocity so:

3 = \frac{v}{t}

88.3 = \frac{d}{t}

In the acceleration equation we can isolate for v and then plug it back into the other equation to solve...

So...

3t = v

88.3 = 3t

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t = 29.4 s

3 0
3 years ago
High-level clouds usually occur above 20,000 ft. Which is the best description of the clouds’ appearance?
PSYCHO15rus [73]
D. Thin and composed of Ice crystals
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3 years ago
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lisabon 2012 [21]

Answer:

Explanation:

a ) 12.0 lbs  -  mass

b ) .34 g   - mass

c ) 120 kg    - mass  

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d ) 1600 kN     It represents force because kN or kilonewton is unit of  force .

e ) it represents , length or distance because m or metre  is unit of length .

f ) 411 cm It represents length or distance because cm is smaller unit of length

g ) 899 MN or million newton .  Like d ) It also represents force . Million newton is higher unit of force .

6 0
3 years ago
A stone is thrown vertically upwards with an initial velocity of 40 ms-1. Find the maximum height reached by the stone. What is
Lyrx [107]
To find the maximum height we use the expression:
U²=2gh
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g is gravitational field strength
h is the maximum height.
h=u²/2g
h=40²/20
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8 0
3 years ago
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