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Joyfull546
03.02.2020 •
Physics
):
an object pulled to the right by two forces has an acceleration of 2.5 m/s2. the free-body diagram shows the forces acting on the object.
what is the weight of the object?
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Ответ:
The first thing we must do for this case is the sum of forces in a horizontal direction.
We have then:
Substituting values we have:
From here, we clear the mass of the object:
We now look for the weight of the object.
Where,
g: acceleration of gravity (9.8 m/s^2)
Substituting values:
the weight of the object is:
option 4
Ответ:
charging foul
Explanation: If a dribbler or shooter runs into an opponent who already has established their defensive position, a charging foul is called.