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3 years ago

Write 1,000,000w 1,000m 0.001 cm using scientific notation

Physics

1 answer:

natita [175]3 years ago

3 0

Answer:

1×10^6 w

1×10^3 m

1×10^(-3) cm

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What is the mass number of an atom with 3 protons, 4 neutrons, and 3 electrons

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Mass number = no. of protons + no. of neutrons

so, it would be, 3+4 = 7

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What is one way we can use agriscience to affect photosynthesis and increase plant growth?

pochemuha

Answer:

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3 years ago

The impulse of a constant force is equal to

Nookie1986 [14]

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Explanation:

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4 years ago

You are given three pieces of wire that have different shapes (dimensions). You connect each piece of wire separately to a batte

VikaD [51]

Answer:

$R_3 < R_1 < R_2$

Explanation:

The resistance of a wire is given by:

$R=\frac{\rho L}{A}$

where

$\rho$ is the resistivity of the material

L is the length of the wire

A is the cross-sectional area of the wire

1) The first wire has length L and cross-sectional area A. So, its resistance is:

$R_1=\frac{\rho L}{A}$

2) The second wire has length twice the first one: 2L, and same thickness, A. So its resistance is

$R_2=\frac{2\rho L}{A}$

3) The third wire has length L (as the first one), but twice cross sectional area, 2A. So, its resistance is

$R_3=\frac{\rho L}{2A}$

By comparing the three expressions, we find

$R_3 < R_1 < R_2$

So, this is the ranking of the wire from most current (least resistance) to least current (most resistance).

5 0

3 years ago

Suppose we are given a square coil that is 5.5 cm on a side containing 100 loops of very fine wire. The total resistance of this

maw [93]

Answer:

I = 578A

Explanation:

The magnitude of the peak value of the induced current flowing in a coild is given by

$I = \frac{\epsilon_{max}}{R}$

$I = \frac{NBA\omega}{R}$

Where

I= current

N = Number of loops

$\omega =$ angular velocity

R= Resistance

B = Magnetic field

A = Area

Replacing our values we have that,

$I = \frac{(100)(1.3)(0.055)^2(2.5)}{1.7*10^{-3}}$

$I = 578A$

8 0

4 years ago

Write 1,000,000w 1,000m 0.001 cm using scientific notation ​

Write 1,000,000w 1,000m 0.001 cm using scientific notation