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Wittaler [7]
3 years ago
7

The dots on an hr diagram represent which of the following?

Physics
1 answer:
gladu [14]3 years ago
5 0
The dots on an hr diagram represent stars.
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A 100g mass is swung around a tube 50 times in 1 minute. A. Calculate the angular velocity of the 100 g mass.
sergey [27]
The angular velocity is defined as "the angle changing over time." 

From the given of the problem:

m = 100g
rate of revolution = 50 rev / min

Therefore, using the formula:

angular velocity = rate of revolution x 2*pi / revolution

Substituting:

angular velocity = (50 revs / min) x ( 2*pi radians / rev ) = 100*pi radians / min

As you can see, mass is not a part of the equation for solving the angular velocity therefore the amount of mass does not affect its value.


8 0
3 years ago
I need help on #9 (it's side ways sorry...)
Gennadij [26K]
<span>All of these are directly proportional to each other, meaning that if one goes up or down, they all do the same.
So if the temperature increases so does the heat. If the heat increases then so does the thermal energy. If the temperature goes up then so does the thermal energy. ETC...</span>
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4 years ago
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Which only list metalloids
HACTEHA [7]

Answer: I think the answer <em><u>MIGHT</u></em> be: Boron, germanium, and tellurium....

Explanation:I know this cuz I had this question on my unit test and I had to look it up online....Hope this helps

I really hope you guys find this helpful and thx so much for rating :D

       pls say something in chat if you found this helpful

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7 0
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Newton’s second law of motion states that an object with a heavier mass will have more acceleration than an object with a smalle
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This is true. I hope this helps! :) 
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Which group of theorists believe that we should study only what we can directly observe and measure?
mote1985 [20]

Learning Through Observation

Albert Bandura believed that associations and direct reinforcements simply could not account for all learning. "Learning would be exceedingly laborious, not to mention hazardous if people had to rely solely on the effects of their own actions to inform them what to do," he famously wrote in his 1977 book Social Learning Theory.

Instead, he proposed that much of learning takes place through observation. Children observe the actions of those around them, particularly caregivers and siblings, and then imitate these behaviors. In his well-known Bobo doll experiment, Bandura revealed just how easily children could be led to imitate even negative actions. Children who watched a video of an adult beating up a large inflatable doll were then much more likely to copy those same actions when given a chance.

Perhaps most importantly, Bandura noted that learning something does not necessarily result in a change in behavior. Children frequently learning new things through observation, but might not engage in such behaviors themselves until there is actually a need or motivation to utilize the information.

hope it helps you

3 0
2 years ago
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