F2 F2=150 N 12=1 m F1 F3=200 N r3-0.5 m F3 The following uniform rod has a moment of inertia = 10 kgm? a) Calculate the net torque. b) Calculate the angular acceleration of the rod. c) If the rod starts from rest, calculate its angular velocity 5 seconds later (in rpm).
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- A wheel with moment of inertia 3.00 kg x m^2 has a net torque of 3.50 Nxm applied to it. What angular acceleration does it experience? A) 1.17rad/s^2 B) 0.857 rad/s^2 C) 3.50 rad/s^2 D 3.00 rad/s^2Suppose a yo-yo has a center shaft that has a 0.260 cm radius and that its string is being pulled. (a) If the string is stationary and the yo-yo accelerates away from it at a rate of 1.70 m/s2, what is the angular acceleration of the yo-yo in rad/s2? rad/s2 (b) What is the angular velocity in rad/s after 0.750 s if it starts from rest? rad/s (c) The outside radius of the yo-yo is 3.40 cm. What is the tangential acceleration in m/s2 of a point on its edge? m/s2A grindstone increases in angular speed uniformly from 4.50 rad/s to 11.5 rad/s in 5.00 s. (a) Calculate the grindstone's angular acceleration. rad/s2 (b) Through what angle does it turn during that time? rad
- A machine part rotates at an angular speed of 0.32 rad/s; its speed is then increased to 2.6 rad/s at an angular acceleration of 0.90 rad/s2. Find the angle through which the part rotates before reaching this final speed. radItem 7 An object whose moment of inertia is 3.20 kg m² experiences the torque shown in the figure (Figure 1). Figure T (Nm) 2- n 1 0- 0 1 2 3 1 of 1 t(s) Part A What is the object's angular velocity at 3.00 s? Assume it starts from rest. Express your answer with the appropriate units. µA Value Submit Provide Feedback Units Request Answer ?A disk at rest experiences a constant angular acceleration for t = 35 s, at the end of which it is spinning with a frequency of f = 35 rpm. Please answer the following questions. 1) Write an expression for the magnitude of the angular velocity of the disk after the acceleration in terms of the frequency. ω = 2) Calculate the magnitude of the angular velocity of the disk in rad/s at time t = 35 s. ω = 3) Write an expression for the average angular acceleration of the disk αave in terms of angular velocity. αave =