All 3 objects have the same mass
Weigh the negatives and positives and think if it's worth it or not
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Sam can study for hours even though it is very loud and there are many possible distractions in the common room, this is an example of a Focus system.
The focus system is a psychological intervention that is purposely designed for use at home or in lecture halls for cognitive or mental assimilation.
When the focus system takes place, an individual is able to further activate the brain networks to engage in more challenging cognitive activities despite the music, distractions, or noise from the background.
From the information given, the ability for Sam to study for hours even though it is very loud was his ability to activate his Focus System.
Learn more about Cognitive ability here:
brainly.com/question/18994513?referrer=searchResults
The other force that must be acting on the duck is upthrust of 10 N.
The given parameters;
- <em>weight of the rubber duck, W = 10 N</em>
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When the weight of the object is equal to the upthrust, the apparent weight will be zero and the object will float in the liquid. This is known as principle of floatation.
Since the given weight of the rubber duck is 10 N, then the <em>upthrust</em> on the duck will be 10 N to enable the duck float on the water.
Thus, the other force acting on the duck is upthrust of 10 N.
Learn more here:brainly.com/question/24777505
