Determine the magnitude of the vector sum VV = V_1V 1 + V_2V 2 and the angle \theta_xθ x which V makes with the positive x-axis. Complete both graphical and algebraic solutions.

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

If a particle moves along a path such that r : (3 sin t) m and ? : 2t rad, where t is in seconds. what is the particle's acceleration in m/s in 4 seconds? a)- 16.43 b)- 16.29 c)- 15.21 d)- 13.79

Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.