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larisa [96]
3 years ago
11

PLZ HELP ITS A TIMED TEST!!!!!!!!!!!!!!!!

Physics
1 answer:
sergij07 [2.7K]3 years ago
7 0
Image #3 good luck!!!!!!!!!!!
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Evaluating alternative options and choosing one option among them is called the theory of bounded rationality.
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Which type of graph gives the most information about how the position of a moving object changes relative to a reference point?
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2 years ago
A force is applied to a 30-kg object, resulting in an acceleration of 15 m/s. What is the force being applied to the object?
telo118 [61]
The sum of all forces applied to the object = (mass) x (acceleration)

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= <u>450 newtons</u>, in the direction of the acceleration.
 
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3 years ago
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Your car is stalled in the middle of a large patch of ice (assumed to be frictionless). You have a friend that has thrown a rope
Gnoma [55]

Answer:

The time depends on the distance that they have to travel

x(t) = \frac{0.3846t^{2} }{2}

Explanation:

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\sum{F} = ma

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The car and you have a motion under constant acceleration, then theirs position to a time-based is:

x(t) = x_{0} + v_{0}t +\frac{at^{2} }{2}

By the initial conditions

x(t) = \frac{at^{2} }{2}

x(t) = \frac{0.3846t^{2} }{2}

The time depends on the distance that they have to travel  

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3 years ago
Sixty-three joules of heat are added to a closed system. The initial internal energy of the system is 58 J, and the final intern
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I posted this because I got it correct.  The answer is 28J.
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3 years ago
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