Multiple Choice
A potter's wheel,with rotational inertia 46 kg ∙ m2,is spinning freely at 40 rpm.The potter drops a lump of clay onto the wheel,where it sticks a distance 1.2 m from the rotational axis.If the subsequent angular speed of the wheel and clay is 32 rpm what is the mass of the clay?
A) 8.0 kg
B) 5.4 kg
C) 7.0 kg
D) 8.8 kg
Correct Answer:
Verified
Correct Answer:
Verified
Q4: When a 2.75-kg fan,having blades 18.5 cm
Q12: At any angular speed,a certain uniform solid
Q17: A dumbbell-shaped object is composed by two
Q66: In the figure,a uniform rectangular crate 0.40
Q68: A solid uniform brick is placed on
Q69: The angular velocity of a 755-g wheel
Q70: A ball is released from rest on
Q72: A uniform 300-kg beam,6.00 m long,is freely
Q73: A piece of thin uniform wire of
Q75: For the apparatus shown in the figure,there