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Gennadij [26K]
3 years ago
11

Wanna text in hangouts and Zo-om??Send me a contact request in zo-om using this em ail id

Physics
2 answers:
Butoxors [25]3 years ago
5 0
I'm bored to my guy.
Blizzard [7]3 years ago
3 0

Explanation:

suree

:]

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Consider a plastic rod that is being charged up by rubbing a wool cloth. It is then brought to an initially neutral metallic sph
anygoal [31]

Answer:

A) is repelled by the sphere

Explanation:

  • When a piece of plastic is rubbed with a wooden cloth, it sinks negatively
  • Let it change Q. So it is now allowed to touch the neutral zone. Therefore, there is a difference in the surface capacity of the two bodies, so that charge transfer takes place
  • Some of its negative charge is transferred to the metal sphere, now both the rod and the sphere are negatively charged and the same chargers as we know are repelled by each other.
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3 years ago
a girl on a backyard trampoline bounces straight upward with an initial velocity with 4.5 m/s what is the girls velocity when sh
krek1111 [17]
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If the mass of an object on earth is 40 kilograms it’s mass on the moon is
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5 0
4 years ago
One end of a piano wire is wrapped around a cylindrical tuning peg and the other end is fixed in place. The tuning peg is turned
liq [111]

Answer:

T = 3183 N

Explanation:

When the screw is turned by two turns then change in the length of the wire is given as

\Delta L = 2(2\pi r)

\Delta L = 4\pi r

\Delta L = 4(\pi)(1.0 mm)

\Delta L = 12.56 mm

now we know by the formula of Young's modulus

Y = \frac{T/A}{\Delta L/L}

so we have

T = \frac{AY \Delta L}{L}

T = \frac{\pi (0.55 \times 10^{-3})^2(2.0 \times 10^{11})(12.56 \times 10^{-3})}{0.75}

T = 3183 N

3 0
3 years ago
Delia has a genetic disease that causes her to be weak and tired because her blood cells are not able to carry enough oxygen to
ddd [48]

Answer:

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Explanation:

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4 years ago
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