3 years ago

The combination of all of the forces acting on an object is called the

Physics

1 answer:

Veronika [31]3 years ago

6 0

The answer is Net force

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Two long, parallel wires carry currents of different magnitudes. if the amount of current in each wire is doubled, what happens

Mrac [35]

The force per unit of length between two wires carrying current is
$\frac{F}{L}= \frac{\mu_0 I_1 I_2}{2 \pi r}$
where I1 and I2 are the currents in the two wires, while r is the distance between them.

We can see from the formula that the force is proportional to the product between I1 and I2: $F \sim I_1 I_2$
so, if we double both I1 and I2, we get a factor 4:
$F' \sim (2I_1 )(2I_2)=4 I_1 I_2 =4 F$
so, the force between the wires will be 4 times the original value.

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3 years ago

How much force is need to accelerate a skier that is 66kg at a rate of 2 m/s2?

lubasha [3.4K]

Answer:

132 N

Explanation:

newton's second law states that force = mass * acceleration

F = ma

plug in 66 kg for mass and 2 m/s^2 for acceleration

F = 66 * 2

F = 132 N

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3 years ago

All vehicles, including animal-drawn vehicles, must have at least one white light visible from a distance of not less than _____

Y_Kistochka [10]

1000 feet. Hope this helps.

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3 years ago

The National Ignition Facility at Lawrence Livermore National Laboratory initiates nuclear fusion by converging 192 laser beams

lilavasa [31]

Answer:

9.6x10¹³watt

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See attached file

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4 years ago

Longer wavelengths will have ________ frequencies, and shorter wavelengths will have ________ frequencies.

MakcuM [25]

Within a single medium, the product of (wavelength) x (frequency)
is always the same number, for all waves. (It's the wave-speed.)

This means that longer wavelengths must have lower frequencies,
and shorter wavelengths must have higher frequencies, in order for
the product to always come out to be the same.

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3 years ago