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Crazy boy [7]
2 years ago
10

Will give brainliest! 50 points!!!

Physics
1 answer:
tatiyna2 years ago
6 0

Answer:

C

Im not totally sure but that's what my science teacher taught me sorry if is wrong

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Ierofanga [76]
Don’t trust those links they usually pull up your IP
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3 years ago
Who is wwe universal champion​
mina [271]

Answer:

Roman reigns

Explanation:

is the wwe universal hampion

7 0
3 years ago
Identify how scientists use radioactive isotopes by selecting the best answers from the drop-down menus. Archaeologists use radi
salantis [7]

Answer:

Archaeologist use radioactive isotopes to determine the ages of various objects, rocks and materials. This is called radioactive dating. Radioactive isotope Carbon-14 is widely used for this dating process.

Scientists use radioactive isotopes in agriculture to monitor or study the uptake and use of essential nutrients by plants from the soil. This helps to determine viability, productivity and nutritious ability of the plants on a piece of land.

Geologists use radioactive isotopes to trace leaks in underground water storage, pipes. Radioactive isotopes are effective tracers because their radioactivity can be easily detected.

6 0
2 years ago
Read 2 more answers
Assuming that the tungsten filament of a lightbulb is a blackbody, determine its peak wavelength if its temperature is 3 200 K.
rosijanka [135]

Answer:

the peak wavelength when the temperature is 3200 K = 9.05625*10^{-7} \ m

Explanation:

Given that:

the temperature = 3200 K

By applying  Wien's displacement law ,we have

\lambda _mT = 0.2898×10⁻² m.K

The peak wavelength of the emitted radiation at this temperature is given by

\lambda _m = \frac{0.2898*10^{-2} m.K}{3200 K}

\lambda _m= 9.05625*10^{-7} \ m

Hence, the peak wavelength when the temperature is 3200 K = 9.05625*10^{-7} \ m

6 0
3 years ago
A solid ball, a solid disk, and a hoop, all with the same mass and the same radius, are set rolling without slipping up an incli
MAXImum [283]

Answer:

d ) is the answer.

Explanation:

Let M be the mass  and R be the radius of each of ball , hoop and disc.

kinetic energy of sphere - 1/2 MV² + 1/2 I ω² ,ω is angular velocity and

V = ωR

kinetic energy of sphere - 1/2 MV² + 1/2 x 2/5 MR² ω²

= 1/2 MV² + 1/5 MR² ω²

MV² ( 1/2 + 1/5 )

= .7 MV²

kinetic energy of Disk - 1/2 MV² + 1/2 I ω² ,ω is angular velocity and

V = ωR

kinetic energy of Disk - 1/2 MV² + 1/2 x 1/2 MR² ω²

= 1/2 MV² + 1/4 MR² ω²

MV² ( 1/2 + 1/4 )

= .75 MV²

kinetic energy of Hoop - 1/2 MV² + 1/2 I ω² ,ω is angular velocity and

V = ωR

kinetic energy of hoop - 1/2 MV² + 1/2  MR² ω²

= 1/2 MV² + 1/2 MR² ω²

MV² ( 1/2 + 1/2 )

=  MV²

Kinetic energy is largest in case of hoop and least in case of sphere . So hoop will go up to the highest point and sphere will go to a height which will be least among the three.

7 0
3 years ago
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