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3 years ago

If potential energy decreases will kinetic energy increase?

Physics

2 answers:

cestrela7 [59]3 years ago

5 0

Answer:

yes

Explanation:

It's because as total energy remains constant, kinetic energy decreases potential energy increases. as an object moves the potential energy gradually gets decreased while kinetic energy increases so as to maintain energy constant.

posledela3 years ago

5 0

Answer:

Yes it will

Kinetic energy is the energy of movement or change. The sum of an object's potential and kinetic energies is called the object's mechanical energy. As an object falls its potential energy decreases, while its kinetic energy increases. The decrease in potential energy is exactly equal to the increase in kinetic energy.

I hope it helps.

Have a great day.

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3 years ago

A flat coil of wire consisting of 20 turns, each with an area of 50 cm2, is positioned perpendicularly to a uniform magnetic fie

Scilla [17]

Answer:

Induced current, I = 0.5 A

Explanation:

It is given that,

number of turns, N = 20

Area of wire, $A=50\ cm^2=0.005\ m^2$

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Final magnetic field, $B_f=6\ T$

Time taken, t = 2 s

Resistance of the coil, R = 0.4 ohms

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$\epsilon=\dfrac{-d\phi}{dt}$

Where

$\phi=BA$

$\epsilon=\dfrac{-d(NBA)}{dt}$

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$\epsilon=I\times R$

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

$I=\dfrac{0.2}{0.4}$

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A Pitot-static probe is used to measure the speed of an aircraft flying at 3000 m. If the differential pressure reading is 3300

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Answer:

v = 306.76 Km/h

Explanation:

given,

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using Bernoulli's equation

$\dfrac{v^2}{2} = \dfrac{\Delta P}{\rho}$

where ρ is the density of the air at 3000 m

$v= \sqrt{\dfrac{2 \times \Delta P}{\rho}}$

$v= \sqrt{\dfrac{2 \times 3300}{0.909}}$

$v = \sqrt{7260.726}$

v = 85.21 m/s

$v= 85.21 \times \dfrac{3600}{1000}$

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3 years ago

Air, considered an ideal gas, is contained in an insulated piston-cylinder assembly outfitted with a paddle wheel. It is initial

Maru [420]

Our data are,

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Replacing,

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