A) 16.0 cm
B) 67.0 cm
C) 66.0 cm
D) 35.0 cm
E) 34.0 cm
Correct Answer
verified
Multiple Choice
A) 35%
B) 18%
C) 46%
D) 60%
Correct Answer
verified
Multiple Choice
A) 9.80 m/s2
B) 4.60 m/s2
C) 3.29 m/s2
D) 3.07 m/s2
E) 2.30 m/s2
Correct Answer
verified
Multiple Choice
A) 20 N
B) 0.00 N
C) 7.8 N
D) 98 N
Correct Answer
verified
Short Answer
Correct Answer
verified
Multiple Choice
A) 17 kg
B) 13 kg
C) 8.5 kg
D) 4.3 kg
Correct Answer
verified
Multiple Choice
A) 2.5 cm
B) 3.5 cm
C) 4.5 cm
D) 5.0 cm
E) 7.1 cm
Correct Answer
verified
Essay
Correct Answer
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View Answer
Multiple Choice
A) tL = tR.
B) tL = tR.
C) tL = tR.
D) tL = 2tR.
E) tl = 4tR.
Correct Answer
verified
Multiple Choice
A) when the total kinetic energy is constant.
B) when no net external force acts on the system.
C) when the linear momentum and the energy are constant.
D) when no torque acts on the system.
E) all the time since it is a conserved quantity.
Correct Answer
verified
Multiple Choice
A) -3.00 + 5.00
- 9.00
B) -5.00 + 2.00
- 6.00
C) -9.00 - 3.00
- 3.00
D) -4.00 + 3.00
- 1.00
E) 2.00 -9.00
- 2.00
Correct Answer
verified
Multiple Choice
A) 13,800 N
B) 12,800 N
C) 11,200 N
D) 14,400 N
E) 16,000 N
Correct Answer
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Multiple Choice
A) 45%.
B) 51%.
C) 55%.
D) 60%.
E) 65%.
Correct Answer
verified
Multiple Choice
A) 0.00593 N ∙ m.
B) 0.0372 N ∙ m.
C) 0.0466 N ∙ m.
D) 0.0620 N ∙ m.
E) 0.149 N ∙ m.
Correct Answer
verified
Essay
Correct Answer
verified
View Answer
Multiple Choice
A) True
B) False
Correct Answer
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Multiple Choice
A) It is impossible to say without knowing the masses.
B) It is impossible to say without knowing the distances.
C) The side the boy is sitting on will tilt downward.
D) Nothing will happen; the seesaw will still be balanced.
E) The side the girl is sitting on will tilt downward.
Correct Answer
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Multiple Choice
A) the forces on it also add up to zero.
B) the object is at rest.
C) the object cannot be turning.
D) the object could be accelerating linearly but it could not be turning.
E) the object could be both turning and accelerating linearly.
Correct Answer
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Multiple Choice
A) 538 N
B) 706 N
C) 1290 N
D) 833 N
E) 601 N
Correct Answer
verified
Multiple Choice
A) +3 - 4
B) +3 + 4
C) -3 + 4
D) +3 + 2
- 4
E) -3 - 2
+ 4
Correct Answer
verified
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