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3 years ago

When all individual forces acting upon an object are balanced, it is the natural tendency of the object to

Physics

1 answer:

sleet_krkn [62]3 years ago

8 0

Answer:

- maintain its state of motion

- Keep its velocity constant (either at zero or non-zero value)

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Calculate the speed of an 8.0*10^4kg airliner with a kinetic energy of 1.1*10^9J.

Burka [1]

Answer:

The velocity will be v = 165.83[m/s]

Explanation:

This is a problem where the definition of kinetic energy can be applied, which can be determined with the following equation.

$E_{k}=\frac{1}{2}*m*v^{2}\\ where:\\m = mass = 80000[kg]\\v = velocity [m/s]\\E_{k}= kinetic energy [J]=1100000000[J]\\Replacing:\\v=\sqrt{\frac{2*E_{k} }{m} } \\v=\sqrt{\frac{2*1100000000 }{80000} }\\v=165.83[m/s]$

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3 years ago

Which event in a solar cell uses the photoelectric effect?

Helen [10]

Explanation:

Photovoltaic energy is a clean, renewable source of energy that uses solar radiation to produce electricity. It is based on the photoelectric effect—the emission of electrons when electromagnetic radiation (i.e. light) hits a material.

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3 years ago

Read 2 more answers

At what temperature is Fahrenheit scale reading equal to twice of celsius?

gayaneshka [121]

At -24.613 F<span> temperature is the Fahrenheit scale reading equal to twice that of the Celsius and at </span>160 F<span> temperatuar is the Fahrenheit scale reading equal to half that of the Celsius? So, 160 degrees Celsius will equal 320 degrees Fahrenheit.</span>

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3 years ago

A 10.0-cm-long solenoid of diameter 0.400 cm is wound uniformly with 800 turns. A second coil with 50 turns is wound around the

levacccp [35]

Answer:

M = 6.32 x 10⁻⁶ H

Explanation:

given,

Length of solenoid = 10 cm = 0.1 m

diameter = 0.40 cm

radius = 0.2 cm = 0.002

number of turns, N₁ = 800

N₂ = 50

mutual inductance will be equal to

$M = \dfrac{\mu_0N_1N_2A}{l}$

$M = \dfrac{4\pi \times 10^{-7}\times 800\times 50 \times \pi \times (0.002)^2}{0.01}$

M = 6.32 x 10⁻⁶ H

hence, mutual inductance of the combination of two coil is equal to M = 6.32 x 10⁻⁶ H

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4 years ago

Scientists would like to learn more about the seismic activity that occurs on Earth’s surface. They are set to take a journey to

Ludmilka [50]

Answer:

the questions they could ask would be:

how much will the temperature change?

how much pressure will there be?

how durable does the equipment need to be?

how do we know if we will run into a water pocket or a magma pocket?

Explanation:

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3 years ago