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
A
You might also like to view...
On an H-R diagram, stellar radii ________
A) decrease from left to right B) are greatest in the lower left and least in the upper right C) increase diagonally from the lower left to the upper right D) are impossible to determine
A 7.0-kg object is acted on by two forces. One of the forces is 10.0 N acting toward the east. Which of the following forces is the other force if the acceleration of the object is 1.0 m/s2 toward the east?
A) 6.0 N east B) 3.0 N west C) 12 N east D) 9.0 N west E) 7.0 N west
How does Kepler's First Law refine the Copernican model greatly?
What will be an ideal response?
Sit on the floor with your legs straight out, raise your straight arm out with your thumb up such that your thumb aligns with one of your big toes, rapidly blink your left and right eye, and observe how your big toe appears to shift positions. This demonstration is an example of _________________
a. Newton's first law b. uniform circular motion c. parallax d. retrograde motion