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san4es73 [151]
3 years ago
10

True or false forces in a force pair never cancel each other out

Physics
1 answer:
pishuonlain [190]3 years ago
3 0
The answer is false
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What is surface tension? How does surface tension result from intermolecular forces? How is it related to the strength of interm
Bond [772]

Answer:

Surface tension is the tendency of liquid surfaces to shrink into the minimum surface area possible.

Surface tension is caused by effects of intermolecular forces at liquid interface.

Surface tension increases as intermolecular forces increases.

Explanation:

  • Surface tension is the tendency of liquid surfaces to shrink into the minimum surface area possible. It can also be seen as the energy required to increase the surface of a liquid by a unit amount.
  • Surface tension is caused by the mediating effects of intermolecular forces at the liquid interfaces. Example in water, surface tension is caused by the mediating effect of the force between hydrogen and oxygen molecules. Liquids tends to reduce their surface area because of inward attarction of the liquid molecules.
  • Surface tension increases as intermolecular forces increases. Also, surface tension decreases as intermolecular forces decreases.

3 0
3 years ago
The percentage of radioactive atoms that decay during one (1) half-life ____________.
Rina8888 [55]

Answer:

is the same

Explanation:

Half life is define as the time it take for fifty percentage of a radioactive material to disintegrate. After the first half-life passes, half (fifty percentage) of the remaining radioactive material will disintegrate in the next half-life. Then, half of that amount in turn disintegrate in the following half-life and the halving continues.

4 0
3 years ago
Read 2 more answers
PLEASE HELPPP IF YOU CAN!
Lunna [17]

Answer:

2 m/s²

Explanation:

F = ma

4 = 2(a)

a = 2

3 0
3 years ago
During a circus act, a performer thrills the crowd by catching a cannon ball shot at him. The cannon ball has a mass of m1 = 7.5
vladimir1956 [14]

Answer:

Explanation:

We shall apply law of conservation of momentum .

total Initial momentum =

7.5 x 8.85 = 66.375 kg m / s

total mass = 7.5 + 61.5 = 69 kg , common velocity of ball and performer be v

Total momentum = 69 v

69 v  = 66.375

v = 66.375 / 69

= .962 m /s .

3 0
3 years ago
What keeps the planets in orbit around the sun?
Rudik [331]

Answer:

gravity keeps the planets in orbit around the sun

6 0
3 years ago
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