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3 years ago

Doubling an object’s height will have what effect on its potential energy due to gravity?

Physics

2 answers:

Alex777 [14]3 years ago

6 0

Answer:

doubled

Explanation:

The energy possessed by the virtue of position or configuration of the body is called potential energy of the body.

The formula for the potential energy is given by

P.E = m g h

Where, m be the mass of the body, g be the acceleration due to gravity and h be the height.

So, if the height is doubled, the potential energy is also doubled.

timurjin [86]3 years ago

5 0

Potential energy due to gravity = Ep = mgh [symbols have their usual meaning ]
Evidently, HALVING the mass will make Ep , HALF its previous value. So, It will be halved.

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denis-greek [22]

Answer:

Explanation:

conservation of momentum

initial momentum is zero

Lets say that m₁ moves along the x axis

and m₂ moves along the y axis

in the y direction

0 = m₁(0) + m₂(30) + m₃(vy)

0 = m₁(0) + m₂(30) + 3m₂(vy)

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in the x direction

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vx = -20 m/s

v = √(-10² + -20²) = 10√5 m/s ≈ 22.36 m/s

θ = arctan(-10/-20) = 206.56505... ≈ 206.6° CCW from the + x axis

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3 years ago

The average power dissipated in a 47 ω resistor is 2.0 w. what is the peak value i 0 of the ac current in the resistor?

pishuonlain [190]

The average dissipated power in a resistor in a ac circuit is:
$P=I_{rms}^2 R$
where R is the resistance, and $I_{rms}$ is the root mean square current, defined as
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where $I_0$ is the peak value of the current. Substituting the second formula into the first one, we find
$P=( \frac{I_0}{\sqrt{2} } )^2 R = \frac{1}{2} I_0^2 R$
and if we re-arrange this formula and use the data of the problem, we can find the value of the peak current I0:
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Montano1993 [528]

Commercial airliners encounter very little turbulence above 25,000 feet because the air is so thin at altitudes above 25,000 feet that turbulence has much less effect. That is option A.

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A turbulence is a sudden disturbance that an airline encounters when it hits a strong wind current that can push or pull the plane.

The depth at which the airline flies determines whether the turbulence will have little or more effects on it.

At altitudes above 25,000 feet the air is so thin and light than below 25,000 feet therefore, the airline will encounter little turbulence effect.

Learn more about turbulence here:

brainly.com/question/20389242

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