Would need the Friction on Block A. The Moment of inertia around the hub of the circle. Angular acceleration of B. Acceleration of A. and tension on the cable. The Radius of the small circle is 0.005.
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- 1.) An amusement park ride is called The Rotor (In CA "The Gravitron"). It consists of a fast-rotating cylinder with a "drop-away" floor. Riders stick to the walls as the floor falls away, held in place by friction and centripetal force. If the coefficient of static friction is 0.800 and the radius of the cylinder is 5.00 m, find the minimum tangential speed necessary to keep the riders safely stuck on the wall. a. Draw a picture. b. Draw a free-body diagram. c. Find the minimum safe speed the rotor must turn.Q.5) For the composite area shown below. determine (a) The centroid of the area, (b) The area moment of inertia Ix about the x-axis. y 50 mm 25 mm 30 mm 25 mm 50 mm 50 mm15) An object of mass 0.5 kg., moving in a circular path of radius 0.25 m, experiences a centripetal acceleration of constant magnitude 9 m/s2. What is the objects angular speed?
- ii) When a rigid body rotates about a fixed axis, all the points in the body have the same a. linear displacement. b. centripetal acceleration. c. angular acceleration. d. tangential acceleration. e. tangential speed.2.) At its peak, a tornado is 54.0 m in diameter and carries 430 km/h winds. What is its angular velocity in revolutions per second? (You do not need to enter any units.)2.) A spinning, flat disk of radius 2.0 m has a tangential velocity at its edge of 4.5 m/s. a. Consider a point 0.33 meters from the axis of rotation. Find the tangential velocity there? b. Find the angular velocity at the edge of the disk. c. Find the angular velocity at that point 0.33 m from the axis of rotation. d. Find its centripetal acceleration at the edge. e. Using "b." above find in radians how far the point on the edge travels in 15 s.
- 12. A car at the Indianapolis 500 accelerates uniformily from the pit area, going from rest to 270 km/h in a semicircular arc with a radius of 220 m. Determine the tanegntial and radial acceleration of the car when it is halfway through the arc, assuming constant tangential acceleration. If the the curve were flat, what coefficient of static friction would be necessary between the tires and the road to provide this acceleration with no slipping or skidding?"5 kg on 30-degree ramp, coefficient of friction 0.35, 97 kg hanger, pulley moment of inertia = Z. kg-meter-meter, radius 0.3 meter, no rotation friction pulley and no slipping pulley,Find the acceleration and the tension on the vertical mass T1 and ramp mass T2If point on a front wheel of the bicycle tire completes exactly eight turns, what can be said about the linear and angular acceleration of point . a. Only the angular displacement is zero. b. Only the linear displacement is zero. c. Neither is zero. d. Both are zero.
- 7. Find the tangential and normal components of acceleration for r(t) = (8 cos t ,8 sin t, 8t)1. A 1500 kg car is travelling around a corner with a radius of curvature of 65.0m. Calculate the minimum coefficient of friction required such that the car can successfully make the turn travelling with a constant speed of 60.0km/h.A bicycle wheel with radius 0.32 m rotates from rest to 4.5 rev/s in 4 s.a) What is the magnitude of the centripetal or radial acceleration at the edge of the wheel at 1 s?b) What is the magnitude of the tangentialacceleration at the edge of the wheel at 1 s?c) What is the magnitude of the resultant linear acceleration at the edge of the wheel at 1 s?