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Tresset [83]
3 years ago
12

(c) Another spring has a spring constant of 250 N/m.

Physics
1 answer:
vovikov84 [41]3 years ago
5 0
It is E=something which leases another something equaling another something
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Tony has a mass of 50 kg, and his friend Sam has a mass of 45 kg. Assume that both friends push off on their rollerblades with t
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Sam

Explanation:

Hes lighter

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A positively charged metal sphere, A, is held close to but not touching and identical uncharged sphere, sphere B. Sphere A is no
Yuri [45]

Answer:

The sphere C carries no net charge.

Explanation:

  • When brougth close to the charged sphere A, as charges can move freely in  a conductor, a charge equal and opposite to the one on the sphere A, appears on the sphere B surface facing to the sphere A.
  • As sphere B must remain neutral (due to the principle of conservation of charge) an equal charge, but of opposite sign, goes to the surface also, on the opposite part of the sphere.
  • If sphere A is removed, a charge movement happens in the sphere B, in such a way, that no net charge remains on the surface.
  • If in such state, if  the sphere B (assumed again uncharged completely, without any local charges on the surface), is touched by an initially uncharged sphere C, due to the conservation of  charge principle, no net  charge can be built on sphere C.
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3 years ago
How much heat is needed to raise the temperature of 9g of water by 18oC?
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4 0
3 years ago
Need help ASAPPPPPP will mark brainleast if right no links or im reporting
kykrilka [37]

Answer: Density--> the amount of mass in a  given volume

Boiling point: the tempeture when a liquid becomes gas

Conductivity: the ability of a subtance to transfer heat or electricety

Bouyant force: The upward force of an object in a liquid

soulibility: the ability of a subtance to disolve in  other.

sorry for bad spelling

Explanation:

5 0
2 years ago
Read 2 more answers
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