Physics, 06.12.2019 22:31 Uhmjujiooo45701
Two blocks with different temperatures had entropies of 10 j/k and 30 j/k before they were brought in contact. what can you say about the entropy of the combined system after the two came in contact with each other? a. ssystem > 40 j/kb. ssystem = 20 j/k c. ssystem < 20 j/kd. ssystem > 20 j/ke. ssystem = 40 j/kf. ssystem < 40 j/k
Answers: 2
Physics, 22.06.2019 14:30
Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.
Answers: 2
Physics, 22.06.2019 19:50
An air-filled capacitor is formed from two long conducting cylindrical shells that are coaxial and have radii of 26 mm and 103 mm. the electric potential of the inner conductor with respect to the outer conductor is - 700 v (k = 1/4πε 0 = 8.99 × 109 n · m2/c2) the energy stored in a 1.0-m length of this capacitor is closest to
Answers: 1
Physics, 23.06.2019 00:20
An object with a mass of 1.5 kg changes its velocity from + 15 m/s to +22 m/s during a time interval of 3.5 seconds. what impulse was delivered to the objects?
Answers: 2
Physics, 23.06.2019 04:40
2) a cubical block of stone is lowered at a steady rate into the ocean by a crane, always keeping the top and bottom faces horizontal. which one of the following graphs best describes the buoyant force b on this block as a function of time t if the block just enters the water at time t = 0 s?
Answers: 3
Two blocks with different temperatures had entropies of 10 j/k and 30 j/k before they were brought i...
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