o=1rad/sec a=1rad/s 2 0.35m 0.5m D
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- A shaft rotating with 10 rev/s is uniformly accelerated at 0.3 rad/s2 for 8 seconds. It then rotates with a uniform speed for next 10 s. Then it is made to stop in next 20 s. Determine (i)maximum angular velocity; (ii) total angular displacement The maximum velocty in rad/s is The total displacement in rad isQ2B=1in;BC=3in.; ω2=1rads,constant. Find the absolute linear acceleration for point C. Hint: for constant angular velocity, angular acceleration is zero. Using semi-graphical approachThe flywheel rotates with an angular speed of 2 rad/s and an angular acceleration of 6 rad/s2. The tangential velocity at point A is equal to VA= 0.6 i [m/s], True or False. check with calculations
- Velocity and Acceleration of Simple Pendulum. L= 1m,T0 = 0, θ = 0, θ’ = 10deg/s, θ’’ = 2deg/s*s. Tf = 1sec, θ = 45 deg, θ’ = 5deg/s, θ’’ = 1 deg/s*s a.Find the position at T0 and Tf b.Find the angular velocity at T0 and Tf c.Find the angular acceleration at T0 and TfQ#05 (b) : Explain the construction of Velocity and Acceleration diagrams.Q1. A driver enters a curved car at 72 km/h, slows down, causing the speed to drop at a steady rate of 4.5 km/h every second. If the radius of curvature is 16.7 m. Find the acceleration of the car after 4 seconds from the driver starting to slow down.
- A shaft starts from rest and uniformly accelerated at 0.7rev/s2 for 40 seconds, It is then made to stop in next 40 seconds Calculate (i)maximum angular velocity; (ii) total angular displacement. 1.The maximum angular velocity in (rad/s) is 2.The total angular displacement in (rad), θ=(a) A large rotating cylinder uniformly increases in angular speed from rest to 0.180 rev/s in 35.0 s. What is its angular acceleration in radians per second per second? ?rad/s2 (b) The same cylinder again starts from rest and accelerates uniformly in the same time interval, but now the angular acceleration is double that found in part (a). What is true about the final angular speed? It is double the value given in part (a). It is the same as the value given in part (a). It is half the value given in part (a). It is quadruple the value given in part (a).Pleased include explanation. The skateboard has a length of lAB= 1.3m. Given the figure shown, determine (a) the velocity at point B and (b) the angular velocity of the skateboard AB if the velocity at point A is vA= 2.963 m⁄s 1000 to the right. Neglect the diameter of the wheels. Note: Use purely RMA Method for velocity calculations.
- The angular acceleration of an rotating body is define by the relation ? = - kθ. Determine a) the value of k if angular velocity is 8 rad/sec at angular displacement of 0 radian and angular velocity is 0 rad/sec at angular displacement of 4 radian. B) find the angular displacement at angular displacement of 3 radian.angular velocity is v = 100 (4 + t) rad/s.Find the acceleration of the body from t=12s to t=15s