2. The gardening tool is used to pull weeds. If a 1.23-N m torque is required to pull a given weed, what force did the weed exert on the tool?

12.When the play button is pressed, a CD accelerates uniformly from rest to 450 rev/min in 3.0 revolutions. If the CD has a radius of 6.0 cm and a mass of 17 g, what is the torque exerted on it?

24.To determine the location of her center of mass, a physics student lies on alightweight plank supported by two scales 2.50 m apart. If the left scale reads 435 N, and the right scale reads 183 N, find(a)the student's mass and(b)the distance from the student's head to her center of mass.

40.A 2.85-kg bucket is attached to a rope wrapped around a disk-shaped pulley of radius 0.121 m and mass 0.742 kg. If the bucket is allowed to fall,(a)what is its linear acceleration?(b)What is the angular acceleration of the pulley?(c)How far does the bucket drop in 1.50 s?

42.You pull downward with a force of 28 N on a rope that passes over a disk-shaped pulley of mass 1.2 kg and radius 0.075 m. The other end of the rope is attached to a 0.67-kg mass.(a)Is the tension in the rope the same on both sides of the pulley? If not, which side has the greater tension?(b)Find the tension in the rope on both sides of the pulley.

64.A popular make of dental drill can operate at a speed of 42,500 rpm while producing a torque of 3.68 oz in. What is the power output of this drill? Give your answer in watts.

(Can the answers be typed please, thank you)