A solid uniform sphere of mass 1.85 kg and diameter 45.0 cm spins ...

[lracut11]

A solid uniform sphere of mass 1.85 kg and diameter 45.0 cm spins about an axle through its center. Starting with an angular velocity of 2.40 rev/s, it stops after turning through 18.2 rev with uniform acceleration.
 
  The net torque acting on this sphere as it is slowing down is closest to A) 0.00593 N  m.
  B) 0.0372 N  m.
  C) 0.0466 N  m.
  D) 0.0620 N  m.
  E) 0.149 N  m.

Question 2

If there were no gravity, a ball thrown upward at an angle would follow a straight-line path. Due to gravity, however, at the end of 2 s it is
 
  A) 5 m below the straight line.
  B) 10 m below the straight line.
  C) 15 m below the straight line.
  D) 20 m below the straight line.
  E) more than 20 m below the straight line.

[eliasc0401]

Answer to Question 1

B

Answer to Question 2

Answer: D

[lracut11]

Thank you!

[eliasc0401]

Always glad to help...