3.00 textbook rests on a frictionless, horizontal tabletop surface. A cord attached to the book passes over a pulley whose diameter is 0.15 m, to a hanging book with mass 4.00 kg. The system is released from rest, and the books are observed to move 1.00 m in 0.750 s. What is the tension of the cord on 3.00 kg book
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Physics, 22.06.2019 15:30
What is a view of science and psychology that says the value of knowledge depends on its usefulness? a. pragmatism b. psychotherapy c. physiology
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Physics, 22.06.2019 17:30
How does the entropy of steam compare to the entropy of ice?
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Physics, 22.06.2019 17:40
Which describes an object in projectile motion? check all that apply.a.gravity acts to pull the object downb.the object moves in a straight path.c.the forward velocity of the object is 0 m/s.d.the object’s inertia carries it forward.e.the path of the object is curved.
Answers: 2
Physics, 22.06.2019 21:40
Ahair dryer is basically a duct in which a few layers of electric resistors are placed. a small fan pulls the air in and forces it through the resistors where it is heated. air enters a 1200 w hair dryer at 100 kpa and 22°c and leaves at 47°c. the cross-sectional area of the hair dryer at the exit is 60 cm2. neglecting the power consumed by the fan and the heat losses through the walls of the hair dryer, determine (a) the volume flow rate of air at the inlet and (b) the velocity of the air at the exit.
Answers: 1
3.00 textbook rests on a frictionless, horizontal tabletop surface. A cord attached to the book pass...
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