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rewona [7]
2 years ago
8

Plz help me to find my science matching... ​

Physics
1 answer:
s2008m [1.1K]2 years ago
5 0

Answer:

fibrous =potato

taproot =radish

stilt =maize and sugar cane

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Is one liter about an ounce a pint a quart or a gallon
Ymorist [56]
Pints and ounces are both very small while gallons are very large so I would say about a Quart.
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3 years ago
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A point charge q1 = -4.00 nC is at the point x = 0.60 m, y = 0.80 m , and a second point charge q2 = +6.00 nC is at the point x
makkiz [27]

Answer:

A)Magnitude of the net electric field at the origin due q₁ and q₂

E₀= 131.6 N/C

B) Direction of the net electric field at the origin due q₁ and q₂

β=3.91°

Explanation:

Conceptual analysis

The electric field at a point P due to a point charge is calculated as follows:

E = k*q/d²

E: Electric field in N/C

q: charge in Newtons (N)

k: electric constant in N*m²/C²

d: distance from charge q to point P in meters (m)

The electric field at a point P due to several point charges is the vector sum of the electric field due to individual charges.

Equivalences

1nC= 10⁻⁹ C

Data

q₁ = -4 nC = -4*10⁻⁹ C

q₂ = +6nC =+ 6*10⁻⁹ C

k = 9*10⁹ N*m²/C²

d_{1} =\sqrt{0.6^{2}+0.8^{2}  } =1 m

d₂ = 0.6 m

Graphic attached

The attached graph shows the field in x=0, y=0, due to the charges q₁ and q₂:

E₁: Total field at point x=0 , y=0 due to charge q₁. As the charge q₁ is negative (q₁-), the field enters the charge.

E₂: Total field at point  x=0 , y=0  due to charge q₂. As the charge q2 is positive (q₂+) ,the field leaves the charge.

Calculation of the electric field at the origin of x-y coordinates due to the charge q₁

E₁=K*q₁/d₁²=9*10⁹*4*10⁻⁹/1²=36N/C

Components (x-y) of the field due to q1:

E₁x=E₁*cosα = 36*(0.6/1)  = 36*(0.6) = 21.6 N/C

E₁y=E₁*sinα  =  36*(0.8/1) = 36*(0.8) =28.8 N/C

Calculation of the electric field at the origin of x-y coordinates due to the charge q₂

E₂=K*q₂/d₂² = -9*10⁹*6*10⁻⁹/0.6² = -150 N/C

Calculation of the electric field components at the origin of x-y coordinates

E₀ is the electric field at the origin of x-y coordinates (x=0,y=0)

E₀x= E₁x+E₂= 21.6-150 = -128.4 N/C

E₀y= E₁y = 28.8 N/C

A )Magnitude of the net electric field at the origin due q₁ and q₂

E_{o} =\sqrt{128.4^{2}+28.8^{2}  }

E₀= 131.6 N/C

B) Direction of the net electric field at the origin due q₁ and q₂

\beta =tanx{-1} \frac{E_{oy} }{Eox}

\beta =tan^{-1} \frac{28.8}{128.4}

β=3.91°

6 0
3 years ago
How much work is done in lifting a 50-N box at a height of 1.5M
vaieri [72.5K]

Work done = M x g x h

M = Mass of the body in Kg

g = Acceleration due to gravity

h - height of displacement

Work done = (M x g) x h

= 50 N x 1.5 m

= 75 J

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a train moving west with an initial velocity of 20m/s accelerates 4m/s2 for 10 seconds . during this time , the train moves a di
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X=1/2at^2+vt+x0
x=1/2(4)(100)+20(10) = 400 m
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An external computer flash drive can hold 1 gigabytes of data how many byes is this
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There are 1000000000 bytes in a gigabyte.
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