Two solid cylinders are rotating about an axis that passes through the center of both ends of each cylinder. cylinder a has half the mass and twice the radius of cylinder b, but they have the same rotational kinetic energy. what is the ratio of the angular velocities, ns/on, for these two cylinders? take the moment of inertia for a solid cylinder as mr? , with mass m and radius r.- a) 0.28 b) 0.71 c) 0.50 d) 1.0 e) 4.0

Question 7 [2 marks] in the circuit below, the electromotive force generated by the battery is e = 6.0 v, and the resistances are r1 = r4 = 1.0 q, r2 = r3 =2.0 q. r. the power delivered by the battery to the circuit is closest to a. 6 w в. 12 w с. 15 w d. 18 w e. 20 w final exam autumn 2014 page 5 of 9 68037 physical modelling faculty of science [2 mark] question 8 with reference to question 7, the current through resistor r2 is closest to a. 1 a в. 2 а c. 3 a d. 4 a e. 6 a

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.