Suppose we take a disk of radius R and remove the material from r = R outward. Note that this decreases both the disk’s mass and its radius. Will the value of ? for the new object be larger, smaller, or the same as that for the original object?
A. The value of ? will be larger for the new object.
B. The value of ? will be smaller for the new object.
C. The value of ? is the same for both objects.
D. We need to know the disk’s thickness to answer.
C. The value of ? is the same for both objects.
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(a) Injection molding (b) Extrusion (c) Slush casting (d) Calendaring
While the orbits of planets are nearly circular, the eccentricities of the orbits of ________ are near one
Fill in the blank(s) with correct word
Infrared solar radiation can be harmful to plants
What will be an ideal response?
Exhibit 13-1
Two blocks of masses m1 and m2 are connected by a light cord that passes over a pulley of mass M, as shown. Block m2 slides on a frictionless horizontal surface. The blocks and pulley are initially at rest. When m1 is released, the blocks accelerate and the pulley rotates.
?
?
Use this exhibit to answer the following question(s).
Refer to . The total angular momentum of the system of the two blocks and the pulley relative to the axis of rotation of the pulley is
a.
proportional to the radius of the pulley.
b.
proportional to the speed of the blocks.
c.
proportional to the length of the string.
d.
to all of the above.
e.
only to (a) and (b) above.