3 years ago

How does temperature change affect surface tension

1 answer:

7 0

When the temperature increases, the intermolecular forces between the molecules of a liquid become weaker, and some bonds break easily. Thus as temperature increases, the surface tension of a liquid decreases.

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What is the acceleration of an object that takes 20 sec to change from a speed of 200 m/s to 300 m/s ?

marin [14]

Given:

initial velocity, u = 200 m/s

Final velocity, v = 300 m/s

Time taken, t = 20 sec

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Calculate the acceleration of given object ?

Formula used:

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Solution:

We know that,

Acceleration = v - u / t

☆ Substituting the values in the above formula,we get

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5 0

4 years ago