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murzikaleks [220]
4 years ago
15

A car drives 100 km north, 50 km east, then 10 km south. What is the car's displavement?​

Physics
1 answer:
Over [174]4 years ago
6 0

Answer:

\sqrt{ ({40}^{2} }  +  {50}^{2} ) =  \sqrt{(1600 + 2500)}  =  \sqrt{4100}  = 64.03

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What is Biomass?<br> What is Biofuel?<br> Please help me science students
kramer

Answer:

Biomass-Total of mass of organisms in a given area/volume

Biofuel-A fuel directly from living matter.

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3 years ago
One watt is wqual to 1kg .m/s³​
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1 watt = 1 joule per second = 1 newton meter per second = 1 kg m2 s-3

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. As we increase the quantum number of an electron in a one-dimensional, infinite potential well, what happens to the number of
Natalija [7]

Answer:

It increases.

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For the electron to escape the photon needs energy is equal to the difference between initial and its non quantised region energy , then only it will be able to escape finite well.

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4 years ago
► List two reasons why fungi are classified in a different kingdom from plants.
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5 0
3 years ago
A water line enters a house 2.0 m below ground. A smaller diameter pipe carries water to a faucet 5.0 m above ground, on the sec
nirvana33 [79]

Answer:

 P₁- P₂ = 91.1 10³ Pa

Explanation:

For this exercise we will use Bernoulli's equation, where point 1 is at the bottom of the house and point 2 on the second floor

          P₁ + ½ ρ v₁² + ρ g y₁ = P₂ + ½ ρ v₂² + ρ g y₂

          P1-P2 = ½ ρ (v₂² - v₁²) + ρ g (y₂-y₁)

In the exercise they give us the speeds and the height of the turbid, so we can calculate the pressure difference

For heights let's set a reference system on the ground floor of the house, so we have 5m for the second floor and an entrance at -2m

 

        P₁-P₂ = ½ 1.0 10³ (7² - 2²) + 1.0 10³ 9.8 (5 + 2)

       P₁-P₂ = 22.5 10³ + 68.6 10³

       P₁- P₂ = 91.1 10³ Pa

3 0
3 years ago
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