Physics UT OnRamps Exam 2 Review
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8 Terms
1
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What is always the same in an Atwood Problem?
magnitude of acceleration for m1 and m2
2
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Acceleration in an Atwood problem
a= (m2-m1/m1+m2)g
3
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Symmetrical Tension Problem (find T)
2Tsintheta= N
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Use 2 in front of the T because there are two strings holding up a mass. Sin because the mass is hanging downward
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Use 2 in front of the T because there are two strings holding up a mass. Sin because the mass is hanging downward
4
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Net Force
the vector sum of forces acting on a particle or object
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An object is hanging with an applied force of F. The mass is m. What is the formula used to find any variables in this situation?
ma= F+mg
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F is positive
Mg is negative
Use kinematics to find a
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F is positive
Mg is negative
Use kinematics to find a
6
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How does a bomber plane hit its target?
The plane must drop the bomb before its target
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What is the equation to find the distance of an object launched up?
dy= Vsin(theta)t + 1/2at^2
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Time formula to solve
dy= Vsin(theta)t + 1/2at^2?
dy= Vsin(theta)t + 1/2at^2?
dy= 1/2g(t1/2)^2