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egoroff_w [7]
3 years ago
14

A metal ball is just able to pass through a metal ring. When Anette increases the temperature of the ball, however, it will not

pass through the ring. What would happen if she instead increased the temperature of the ring, rather than the ball? Discuss whether the size of the hole increases, stays the same, or decreases.
Physics
1 answer:
Natasha2012 [34]3 years ago
5 0

Answer:

The size of the hole will increase

Explanation:

Heat is a form of energy that depends to a great extent on the temperature of the system,when a solid is heated there will be increases in it's length,area and volume otherwise known as linear,beta and superficial expansivities respectively.When Annette increased the temperature of the ring she supplied heat to the ring that led to the expansion of the ring,what really happened was that she increased the area expansivities of the ring which is the increase in area per unit area per degree rise in temperature,at such the interior diameter of the ring increase to such an extent that the ball passes through it.

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Answer:

I think the 1st statement is right.

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What is refraction and reflection​
timofeeve [1]

Answer:

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Hi, I am having some issues with this physics problem, and it is vital for me to get this problem solved. Can anyone please give
mafiozo [28]

Answer:

U = 30 m/s

a = 3 m/s²

Explanation:

"A car accelerating uniformly from rest reaches a maximum speed of U in 10 s.  It then moves with that speed for an additional 20 s.  The distance covered by the car in the 30 s interval is 750 m.  Find U and the acceleration of the car in the first 10 s."

During the first 10 s:

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v = U m/s

t = 10 s

The distance covered in this time is the average velocity times time:

Δx = ½ (v + v₀) t

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The distance covered in the next 20 seconds is speed times time:

Δx = 20U

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U = 30 m/s

The acceleration during the first 10 seconds is the change in speed over change in time.

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6 0
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Where are the sun's rays the strongest, which makes the ocean water the warmest ?
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Answer:

0.035 N

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