3 years ago

What is another term means balance in physics?

Physics

2 answers:

AysviL [449]3 years ago

7 0

Balance means net force equals zero

Tresset [83]3 years ago

7 0

The attractive force of gravity

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PLEASE HELP WITH THIS QUESTION<br><br>What of Newton's 3 laws is this picture

Reptile [31]

Answer:

Hey

Newtons 1rst law (the penny isint moving, it will remain that way)

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2 years ago

Given a force of 100 N and an acceleration of 5 m/s2, what is the mass

UNO [17]

Answer:

20 kg

Explanation:

Mass equals force divided by acceleration, so divide 100 N by 5 m/s2 and you get your mass: 20 kg

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2 years ago

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Kepler's second law: as a planet moves around its orbit, it sweeps out ______areas in ______ times.

natali 33 [55]

<span>Kepler's second law: as a planet moves around its orbit, it sweeps out EQUAL areas in EQUAL times.

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3 years ago

A square wire, 20 cm on the side, moves at constant speed parallel to the xy-plane into a region where there is a uniform magnet

Amanda [17]

Answer:

The speed of the wire is 5 m/s.

Explanation:

Given that,

Length = 20 cm

Magnetic field = 0.1 T

Current = 10 mA

Resistance $R= 10\Omega$

We need to calculate the speed of the wire

Using formula of emf

$\epsilon=Bvl$

Using formula of current

$I=\dfrac{\epsilon}{R}$

Put the value of $\epsilon$ into the formula of current

$I=\dfrac{Bvl}{R}$

$v=\dfrac{IR}{Bl}$

$v=\dfrac{10\times10^{-3}\times10}{0.1\times20\times10^{-2}}$

$v= 5\ m/s$

Hence, The speed of the wire is 5 m/s.

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2 years ago

The plank is 5.1 meters long and has a mass of 9.2 kg, ack has a mass of 93.6 kg, and Diane has a mass of 64.2 kg. Assuming Dian

kodGreya [7K]

Answer:

The answer is 0.8 m

Explanation:

According the attached diagram, if we take the momentum in the point 0:

$\frac{m_{D}*5.1 }{2} =m_{J} *X$

Where

mD = mass of Diane = 64.2 kg

mJ = mass of Jack = 93.6 kg

Replacing:

$X=\frac{\frac{64.2*5.1}{2} }{93.6} =1.75m$

$\frac{L}{2} -X=Y=\frac{5.1}{2} -1.75\\Y=0.8m$

8 0

3 years ago