21. from a mass m kg L m long rope binding, based on the end of one side with the main image. Pie ' key rotation with speed angular how to make ropes that bound the mass m cant Ta. The angle is equal to the.
21. From the mass m kg L-meter long rope, tied one end to hold the primary key figure circle rotation with angular speed ` How much will cause the rope to apply the principles of lean mass m.
21. From the mass m kg, tie a long rope L meters. Then based on the one side with the main figure, a key circle ` rotation angular speed how much will ta. Rope tied to mass m tilt angle with the main was applied.