The uniform rectangular panel of mass m = 19.6 kg is moving to the right when wheel B drops off the horizontal support rail. Determine the resulting angular acceleration and the force in the strap at A immediately after wheel B rolls off the rail. Neglect friction and the mass of the small straps and wheels. The angular acceleration is positive if counterclockwise, negative if clockwise. The force in the strap is positive if in tension, negative if in compression. The distances are b = 635 mm and h = 275 mm.

2b2t

explanation:

2b2t

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me

a. spokes of a wheel.

as indicated in the question radial contains rad, also found in radius, so the fracture's would span the radius.