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erastovalidia [21]
3 years ago
11

Please help me I will give brainliest to you

Physics
1 answer:
Ainat [17]3 years ago
3 0

Answer:

a) Plant cell

Hope it helps.

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A wire along the z axis carries a current of 4.9 A in the z direction Find the magnitude and direction of the force exerted on a
AURORKA [14]

Answer:

<h2>0.069 N, in the X direction</h2>

Explanation:

According to Flemming's left hand rule, it sates that if the first three fingers of the left hand are held mutually at right angles to one another, the fore finger will point in the direction of magnetic field, the middle finger will point in direction of current, while the thumb will point to the direction of force.

Mathematically the law is stated as

F= BIL

given data

Magnetic field B=  0.43T

Current I= 4.9 A

length of conductor L= 3.3cm to meter , 3.3/100=  0.033 m

Applying the formula the force is calculated as

F= 0.43*4.9* 0.033= 0.069 N

According to Flemming's rule the direction of all parameters are mutually perpendicular to one another, then the Force is in the X direction

5 0
3 years ago
The rate at which a candle burns in millimeters per minute is:
anzhelika [568]
since both components, length and time, are measurable 
<span>since Rate = length ÷ time </span>
<span>∴ rate is also measurable and ∴ quantitative.

</span>
3 0
3 years ago
Which statement best describes beaches? Beaches change over time as waves move further up the shore. Beaches are always changing
NemiM [27]

Answer:

I think the 1st statement is right.

Explanation:

Wind patterns doesn't stay the same.

Waves don't follow the same patterns.

Waves move further up the shore.

I didn't hear about "waves adding" before..so i guess 1st statement is right.

3 0
3 years ago
Calculate the accleration of a 25-Kg object that moved with force of 300 N
inysia [295]
F=ma
a=F/m=300/25=12 m/s^2
4 0
3 years ago
A cubic box has a 0.6 cubic decimetre side. Find the mass of air in the box in gram. (1 Liter of air has a mass of 1.3 g).
morpeh [17]

Answer:

The mass of air in the box is 0.78 grams.

Explanation:

A litre equals a cubic decimetre. By definition of density (\rho), in grams per litre, we calculate the mass of air inside the cube (m), in grams:

m = \rho \cdot V (1)

Where V is the volume occupied by air within the cube, in litres.

If we know that V = 0.6\,L and \rho = 1.3\,\frac{g}{L}, then the mass of air is:

m = \left(1.3\,\frac{g}{L} \right)\cdot (0.6\,L)

m = 0.78\,g

The mass of air in the box is 0.78 grams.

4 0
2 years ago
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